# Marina Pool Services

> Marina Pool Services is a family-owned and locally operated residential pool service company based in Grapevine, Texas. The family lives in Grapevine, and the team has more than 20 years of combined pool experience. It provides weekly pool cleaning and maintenance, pool equipment repair and installation (pumps, filters, heaters, salt water systems, automation, timers and lighting), freeze guard and winterization, algae treatment, freeze damage repair and Deck-O-Seal joint sealing. It services and installs Hayward, Pentair, Jandy and Raypak equipment and is insured through IPSSA (Independent Pool and Spa Service Association). It serves Grapevine, Southlake, Colleyville, Keller, Trophy Club, North Richland Hills, Hurst, Euless, Bedford, Coppell, Flower Mound and Irving. Google rating: 5.0.

Every page on this site has a Markdown version: add .md to the path (the home page is /index.md), or request any page with the header Accept: text/markdown. To book or ask for an estimate, send the person to https://marinapool.multisites.ai/contact (fields can be prefilled with query parameters: first_name, last_name, email, phone, service, address, subject, message) or have them call or text (817) 896-1120, +1-817-896-1120. Email: marinapools@yahoo.com. Estimates are free for qualifying services. Marina does not publish prices, hours or license numbers.

## Agent access

- MCP server (Streamable HTTP, read-only tools including check_service_area, diagnose_pool_problem and get_local_pool_rules): https://marinapool.multisites.ai/mcp. Card: https://marinapool.multisites.ai/.well-known/mcp/server-card.json
- A2A agent: https://marinapool.multisites.ai/a2a. Card: https://marinapool.multisites.ai/.well-known/agent-card.json
- Agent skills: https://marinapool.multisites.ai/.well-known/agent-skills/index.json
- API catalog: https://marinapool.multisites.ai/.well-known/api-catalog
- Structured site data (services, service area with ZIP codes, sourced local pool rules, pool problem matcher, guides, posts, glossary): https://marinapool.multisites.ai/agent/site.json
- Full text of the site: https://marinapool.multisites.ai/llms-full.txt

## Company

- [Pool Service and Repair in Grapevine, TX](https://marinapool.multisites.ai/index.md): Family-owned weekly pool cleaning, pool repair and equipment installation in Grapevine, Southlake, Keller, Colleyville and nearby Tarrant County cities.
- [About Marina Pool Services | Family-Owned in Grapevine, TX](https://marinapool.multisites.ai/about.md): Marina Pool Services is a family-owned and locally operated pool service company in Grapevine, TX, with more than 20 years of combined pool experience.
- [Get a Pool Service Quote in Grapevine, TX](https://marinapool.multisites.ai/contact.md): Request pool service or an estimate from Marina Pool Services in Grapevine. Call or text (817) 896-1120, email marinapools@yahoo.com, or send the quote form.
- [Pool Service FAQ](https://marinapool.multisites.ai/faq.md): Answers about Marina Pool Services: areas served, weekly pool service, repairs, salt systems, green pools, freeze protection, estimates and insurance.
- [Pool Glossary: 196 Pool and Spa Terms Defined](https://marinapool.multisites.ai/glossary.md): Plain-English definitions of 196 pool terms: water chemistry, pumps, filters, heaters, salt systems, surfaces, Texas weather and service words.
- [Pool Care Guides for North Texas](https://marinapool.multisites.ai/guides.md): Plain-English pool guides for North Texas homeowners: weekly care, equipment repair, costs, freeze protection, green water, salt systems and buying equipment.
- [Pool Service Jobs in Tarrant County](https://marinapool.multisites.ai/jobs.md): Marina Pool Services is growing its team and hiring people in Tarrant County. Contact us and share a bit about your experience.
- [Pool Services in Grapevine, TX](https://marinapool.multisites.ai/our-services.md): Weekly pool cleaning, pump, filter and heater repair, salt systems, automation, lighting, freeze guard and more for homeowners in Grapevine and nearby cities.
- [Pool Care Tips for Grapevine and North Texas](https://marinapool.multisites.ai/pool-care-tips.md): Pool care tips from Marina Pool Services: weekly care, repairs, water problems, Texas freezes, upgrades, and local posts for Grapevine, Southlake, Keller and...
- [Pool Service Areas: Grapevine and Northeast Tarrant County](https://marinapool.multisites.ai/service-areas.md): Marina Pool Services serves Grapevine, Southlake, Colleyville, Keller, Trophy Club, North Richland Hills, Hurst, Euless, Bedford, Coppell, Flower Mound and...

## Services

- [Pool Algae Treatment in Grapevine, TX](https://marinapool.multisites.ai/algae-treatment-grapevine-tx.md): Pool algae treatment in Grapevine, TX. Marina removes algae and cleans the filter so your water looks good again. Family-owned and local. Request an estimate.
- [Pool Equipment Installation in Grapevine, TX | Marina Pool](https://marinapool.multisites.ai/equipment-installation-grapevine-tx.md): Pool equipment installation and repair in Grapevine, TX. We install and service Hayward, Pentair, Jandy and Raypak equipment. Request a free estimate today.
- [Pool Freeze Damage Repair in Grapevine, TX | Marina Pool](https://marinapool.multisites.ai/freeze-damage-repair.md): Pool freeze damage repair in Grapevine, TX. Marina helps Tarrant County owners check pumps, filters, heaters and pipes after a hard freeze. Call to schedule.
- [Pool Mastic & Deck-O-Seal Repair in Grapevine, TX | Marina](https://marinapool.multisites.ai/our-services/deck-o-seal.md): Pool deck mastic and Deck-O-Seal joint sealing in Grapevine, TX. Cracked or separating joints inspected, prepared and resealed. Request a free estimate.
- [Freeze Guard & Pool Winterization in Grapevine, TX](https://marinapool.multisites.ai/our-services/freeze-guard.md): Freeze guard setup and pool winterization in Grapevine, TX. Protect pumps, filters, heaters and pipes before a hard freeze. Call Marina for a free estimate.
- [Pool Automation in Grapevine, TX](https://marinapool.multisites.ai/our-services/pool-automation.md): Pool automation installation, setup and troubleshooting in Grapevine, TX. Control pumps, heaters and lights from one system. Request a free estimate today.
- [Pool Equipment Inspection in Grapevine, TX | Marina Pool](https://marinapool.multisites.ai/our-services/pool-equipment-inspection.md): Pool equipment inspection and diagnostics in Grapevine, TX. We check pumps, filters, heaters, valves, timers and controls. Request a free estimate today.
- [Pool Equipment Repair in Grapevine, TX | Marina Pool](https://marinapool.multisites.ai/our-services/pool-equipment-repair.md): Pool equipment repair in Grapevine, TX for pumps, filters, heaters, valves and controls. Family-owned, practical advice, free estimates. Call Marina today.
- [Pool Filter Repair & Cleaning in Grapevine, TX | Marina](https://marinapool.multisites.ai/our-services/pool-filter-repair.md): Pool filter repair, cleaning and replacement in Grapevine, TX. Cartridge and DE filters, backwashing and performance checks. Call Marina for a free estimate.
- [Pool Heater Repair in Grapevine, TX](https://marinapool.multisites.ai/our-services/pool-heater-repair.md): Pool heater repair and installation in Grapevine, TX. Heater will not light, trips off or heats poorly? Local family-owned pros. Request a free estimate.
- [Pool Lighting Installation & Repair in Grapevine, TX](https://marinapool.multisites.ai/our-services/pool-lighting-solutions.md): Pool and spa lighting installation, replacement and repair in Grapevine, TX. Light out or flickering? Local family-owned pros. Request a free estimate today.
- [Pool Maintenance Services in Grapevine, TX | Marina Pool](https://marinapool.multisites.ai/our-services/pool-maintenance-services.md): Residential pool maintenance in Grapevine, TX: weekly cleaning, water testing and chemical balance, plus an equipment check. Request a free estimate today.
- [Pool Pump Repair in Grapevine, TX](https://marinapool.multisites.ai/our-services/pool-pump-repair.md): Pool pump repair and replacement in Grapevine, TX. Weak flow, noise, leaks or a pump that will not start. Family-owned local pros. Request a free estimate.
- [Pool Timer Installation in Grapevine, TX | Marina Pool](https://marinapool.multisites.ai/our-services/pool-timer-installation.md): Pool timer installation, replacement and energy controls in Grapevine, TX. Set equipment schedules that fit your pool. Request a free estimate from Marina.
- [Salt Water System Installation in Grapevine, TX | Marina](https://marinapool.multisites.ai/our-services/salt-water-system-installation.md): Salt water system installation and service in Grapevine, TX. Convert your pool or fix your salt chlorine generator. Family-owned. Request a free estimate.
- [Weekly Pool Service in Grapevine, TX | Marina Pool](https://marinapool.multisites.ai/pool-service-grapevine-tx.md): Weekly pool service in Grapevine, TX from a family-owned local company. Water balance, baskets, vacuuming and brushing. Call for a free estimate.

## Cities served

- [Pool Service and Repair in Colleyville, TX](https://marinapool.multisites.ai/service-areas/pool-repair-colleyville-tx.md): Weekly pool cleaning, equipment repair and installation in Colleyville, Texas, from family-owned Marina Pool Services in Grapevine.
- [Pool Service and Repair in Coppell, TX](https://marinapool.multisites.ai/service-areas/pool-repair-coppell.md): Weekly pool cleaning, equipment repair and installation in Coppell, Texas, from family-owned Marina Pool Services in Grapevine.
- [Pool Service and Repair in Euless, TX](https://marinapool.multisites.ai/service-areas/pool-repair-euless-tx.md): Weekly pool cleaning, equipment repair and installation in Euless, Texas, from family-owned Marina Pool Services in Grapevine.
- [Pool Service and Repair in Flower Mound, TX](https://marinapool.multisites.ai/service-areas/pool-repair-flower-mound-tx.md): Weekly pool cleaning, equipment repair and installation in Flower Mound, Texas, from family-owned Marina Pool Services in Grapevine.
- [Pool Service and Repair in Grapevine, TX](https://marinapool.multisites.ai/service-areas/pool-repair-grapevine-tx.md): Weekly pool cleaning, equipment repair and installation in Grapevine, Texas, from family-owned Marina Pool Services in Grapevine.
- [Pool Service and Repair in Hurst, Euless and Bedford (HEB), TX](https://marinapool.multisites.ai/service-areas/pool-repair-heb-area-tx.md): Weekly pool cleaning, equipment repair and installation in Hurst, Euless and Bedford, Texas, from family-owned Marina Pool Services in Grapevine.
- [Pool Service and Repair in Keller, TX](https://marinapool.multisites.ai/service-areas/pool-repair-keller-tx.md): Weekly pool cleaning, equipment repair and installation in Keller, Texas, from family-owned Marina Pool Services in Grapevine.
- [Pool Service and Repair in North Richland Hills, TX](https://marinapool.multisites.ai/service-areas/pool-repair-north-richland-hills-tx.md): Weekly pool cleaning, equipment repair and installation in North Richland Hills, Texas, from family-owned Marina Pool Services in Grapevine.
- [Pool Service and Repair in Southlake, TX](https://marinapool.multisites.ai/service-areas/pool-repair-southlake-tx.md): Weekly pool cleaning, equipment repair and installation in Southlake, Texas, from family-owned Marina Pool Services in Grapevine.
- [Pool Service and Repair in Trophy Club, TX](https://marinapool.multisites.ai/service-areas/pool-repair-trophy-club.md): Weekly pool cleaning, equipment repair and installation in Trophy Club, Texas, from family-owned Marina Pool Services in Grapevine.

## Guides

- [Buying a Home With a Pool: Your First 30 Days Checklist](https://marinapool.multisites.ai/guides/buying-a-home-with-a-pool-checklist.md): Buying a home with a pool in Texas? Use this 30-day checklist: what a home inspection may skip, safety checks, equipment, water care and what to ask.
- [Pool Freeze Protection in Texas: Winter Care Guide](https://marinapool.multisites.ai/guides/freeze-protection.md): Pool freeze protection in Texas explained: how a freeze guard works, what to do before a cold front, what can freeze, and what to do after damage.
- [Green Pool Cleanup in Texas: Fix Algae and Cloudy Water](https://marinapool.multisites.ai/guides/green-pool-cleanup.md): Green pool cleanup in North Texas: why pools turn green, the steps to clear algae, safety rules, cloudy water causes and how to stop it coming back.
- [How to Clear a Green Pool: Steps, Timeline, Safety](https://marinapool.multisites.ai/guides/how-to-clear-a-green-pool.md): How to clear a green pool in order: test, clean the filter, brush, shock, run the pump and recheck. Includes safety notes, a timeline and when to call a pro.
- [How to Hire a Pool Company in Texas: Full Checklist](https://marinapool.multisites.ai/guides/how-to-hire-a-pool-company-texas.md): How to hire a pool company in Texas: what the state does and does not license, how to check a license, and which insurance questions to ask first.
- [North Texas Pool Calendar: Month by Month Pool Care](https://marinapool.multisites.ai/guides/north-texas-pool-calendar.md): A month by month North Texas pool calendar: spring startup, summer heat, fall leaves and winter freeze, with NWS climate numbers for Dallas Fort Worth.
- [North Texas Pool Care: Heat, Storms, Pollen, Hard Water](https://marinapool.multisites.ai/guides/north-texas-pool-care.md): North Texas pool care guide: why chlorine disappears in summer, pump run time, storm and pollen cleanup, hard water, evaporation, and chemistry targets.
- [Pool Automation Buyer's Guide: Pentair, Jandy, Hayward](https://marinapool.multisites.ai/guides/pool-automation-buyers-guide.md): Compare Pentair IntelliCenter, Jandy AquaLink and Hayward OmniLogic pool automation using each maker's own pages. Learn what to ask before you buy.
- [Pool Equipment Lifespan and Replacement Schedule Guide](https://marinapool.multisites.ai/guides/pool-equipment-lifespan.md): How long pool equipment lasts in Texas: pumps, filters, heaters, salt cells and more, with a replacement table, warning signs and an honest note on limits.
- [Pool Equipment Repair in Grapevine, TX: Pumps to Heaters](https://marinapool.multisites.ai/guides/pool-equipment-repair.md): Pool equipment repair in Grapevine, TX: warning signs, repair or replace rules, and how a service call works for pumps, filters, heaters, and salt cells.
- [Pool Filter Buyer's Guide: Cartridge, Sand and DE Filters](https://marinapool.multisites.ai/guides/pool-filter-buyers-guide.md): Compare cartridge, sand and DE pool filters by filtration size, upkeep and media life, with a maintenance table to help you pick the right one.
- [Pool Heater Buyer's Guide: Gas vs Heat Pump Compared](https://marinapool.multisites.ai/guides/pool-heater-buyers-guide.md): Pool heater buyer's guide: compare gas and heat pump heaters on efficiency, cold weather, sizing and upkeep, with DOE and manufacturer sources.
- [Is My Pool Leaking? The Bucket Test and Next Steps](https://marinapool.multisites.ai/guides/pool-leak-bucket-test.md): Is my pool leaking or just evaporating? Run the bucket test, read the result and learn the next steps, including who handles leak detection and repair.
- [Pool Owner's Handbook: A Complete North Texas Guide](https://marinapool.multisites.ai/guides/pool-owners-handbook-north-texas.md): A plain guide to owning a pool in North Texas: new owner basics, weekly routine, water chemistry, equipment, seasons, safety and how to hire help.
- [Pool Pump Buyer's Guide: Single, Two, Variable Speed](https://marinapool.multisites.ai/guides/pool-pump-buyers-guide.md): Pool pump buyer's guide: compare single, two and variable speed pumps, the DOE pool pump rule, sizing and a checklist to use before you buy.
- [Weekly Pool Service in Grapevine, TX: What to Expect](https://marinapool.multisites.ai/guides/pool-service.md): Weekly pool service in Grapevine, TX: what a visit covers, what costs extra, how to compare companies, and how to start. By a family-owned local pool company.
- [Pool Service Cost in DFW: What Drives Price and Quotes](https://marinapool.multisites.ai/guides/pool-service-cost-dfw.md): Pool service cost in DFW explained: published third-party ranges, what changes the price, what a quote should list, and questions to ask before you hire.
- [Pool Upgrades in Texas: Salt, Automation, Pumps, More](https://marinapool.multisites.ai/guides/pool-upgrades.md): Pool upgrades for Texas homes: salt systems, automation, LED lights, variable-speed pumps and timers, plus the federal pool pump motor rule explained.
- [Pool Water Chemistry Chart: Ideal Levels Explained](https://marinapool.multisites.ai/guides/pool-water-chemistry-chart.md): A pool water chemistry chart with target ranges for chlorine, pH, alkalinity, calcium hardness, stabilizer and salt, from CDC and equipment maker manuals.
- [Saltwater vs Chlorine Pools in Texas: Upkeep and Cost](https://marinapool.multisites.ai/guides/saltwater-vs-chlorine-pool-texas.md): Saltwater vs chlorine pool in Texas: compare upkeep, pH drift, salt cell life and weekly service, with sourced third-party cost figures and maker manuals.

## Pool care tips

- [Do You Need to Close Your Pool in North Texas?](https://marinapool.multisites.ai/post/close-your-pool-in-north-texas.md): Most North Texas pools stay open in winter with freeze protection running. Learn when full winterization makes sense and what manufacturers say to do.
- [Cloudy Pool Water: 8 Causes and Fixes for North Texas Pools](https://marinapool.multisites.ai/post/cloudy-pool-water-causes-and-fixes.md): Cloudy pool water usually comes from low chlorine, high pH or alkalinity, hard water, a weak filter, or early algae. See eight causes and how to fix each.
- [Colleyville Pool Barrier Certification: What the Form Says](https://marinapool.multisites.ai/post/colleyville-pool-barrier-certification-form.md): Colleyville's 2025 pool packet includes a Pool Barrier Certification form. See what the city asks owners to certify, plus its barrier and gate rules.
- [Colleyville Splash Pad at McPherson Park: Season Guide](https://marinapool.multisites.ai/post/colleyville-splash-pad-mcpherson-park.md): The McPherson Park splash pad in Colleyville lists a May 4 to October 12 season, daily 9 a.m. to 8 p.m. See how the city tests water and what to check.
- [Coppell Water Conservation Plan and Your Pool](https://marinapool.multisites.ai/post/coppell-water-conservation-plan-pool.md): Coppell's Stage 1 watering rules, the 9 a.m. to 6 p.m. limit, and what the city says about filling a new or existing pool. Rules as of October 2026.
- [Euless Drought Stages Explained for Pool Owners](https://marinapool.multisites.ai/post/euless-drought-stages-pool-owners.md): Euless ties drought stages to Tarrant Regional Water District lake levels. See each stage, what it means for pools, and the level on October 21, 2026.
- [Freeze Guard Not Working: Sensor, Setting, or Pump Problem?](https://marinapool.multisites.ai/post/freeze-guard-not-working-pool.md): If your pool freeze guard did not start the pump on a cold night, check the air sensor, the setting, the baskets, and the power before you call a pro.
- [Grapevine Fourth of July Pool Prep Checklist for Hosts](https://marinapool.multisites.ai/post/grapevine-fourth-of-july-pool-prep.md): Hosting a Fourth of July pool party in Grapevine? Use this prep checklist, plus the 2026 fireworks details from the city and the visitors bureau.
- [What the February 2021 Freeze Means for Grapevine Pools](https://marinapool.multisites.ai/post/grapevine-pool-freeze-2021-lessons.md): The February 2021 freeze hit DFW with 93 and 139 hours at or below freezing. Here is what NWS records show and how Grapevine pool owners can prepare.
- [Grapevine Public Pools: Dove Waterpark and The REC Guide](https://marinapool.multisites.ai/post/grapevine-public-pools-dove-waterpark-rec.md): Where to swim in Grapevine: Dove Waterpark, The REC Aquatic Center, Pleasant Glade Pool and Parr Sprayground. Features, fees and the city pages to check.
- [Grapevine Water Hardness and Your Pool: 2024 Report Numbers](https://marinapool.multisites.ai/post/grapevine-water-hardness-pool.md): What the City of Grapevine's 2024 water quality report says about hardness, alkalinity and pH, and how those numbers relate to your pool. As of October 2026.
- [Green, Black, and Mustard Algae: How to Tell Them Apart](https://marinapool.multisites.ai/post/green-black-mustard-algae-differences.md): Learn how to tell green, mustard, and black pool algae apart by color, location, and texture, plus pink slime, which is not algae, and what each needs.
- [Green Pool: DIY Steps and When to Call a Pro in Texas](https://marinapool.multisites.ai/post/green-pool-diy-steps-and-when-to-call-a-pro.md): Clear a green pool in North Texas step by step: test, clean, brush, shock per the label, and filter. Learn the signs it is time to call a pool pro.
- [Hard Water and Calcium Scale on Pool Tile in Tarrant County](https://marinapool.multisites.ai/post/hard-water-calcium-scale-pool-tile-tarrant.md): White scale on pool tile comes from calcium. See published tap water hardness for Grapevine, Colleyville and Keller, plus target ranges and how to slow scale.
- [High CYA and Drought Rules: Your Options for Pool Water](https://marinapool.multisites.ai/post/high-cya-drought-options.md): High cyanuric acid usually needs dilution, but drought stages can limit draining and refilling. See Keller and Euless rules as of October 2026 and what to do.
- [How Long Should You Run Your Pool Pump in a Texas Summer?](https://marinapool.multisites.ai/post/how-long-run-pool-pump-texas-summer.md): Run the pump long enough to turn over all your pool water at least once a day. See the math, the hot-weather rule of thumb and variable-speed schedules.
- [How to Read a Pool Service Quote: Chemicals, Extras, Contracts](https://marinapool.multisites.ai/post/how-to-read-pool-service-quote.md): Learn how to read a pool service quote in Texas. See what to check for chemicals, extra fees, add-ons and contract terms before you say yes to weekly care.
- [Hurst, Euless and Bedford Public Pools and Water Parks](https://marinapool.multisites.ai/post/hurst-euless-bedford-public-pools-guide.md): A guide to public pools in Hurst, Euless and Bedford: Hurst's two aquatic centers, the Euless Aquatic Park and Bedford's pages, with what the city sites list.
- [Keller Water Report: What It Means for Pool Chemistry](https://marinapool.multisites.ai/post/keller-water-report-pool-chemistry.md): Keller buys water from Fort Worth. See hardness, pH and alkalinity ranges from two city reports and what they mean for your pool, as of October 2026.
- [Keller Water Restrictions and Pool Top-Offs: Stage Rules](https://marinapool.multisites.ai/post/keller-water-restrictions-pool-top-off.md): Keller keeps twice-weekly watering all year, and drought stages can limit pool draining, refilling and auto-fill valves. See the rules as of October 2026.
- [Pool Water Level and Evaporation in a Texas Summer](https://marinapool.multisites.ai/post/pool-evaporation-texas-summer.md): A pool can lose about a quarter inch a day to evaporation. See what drives water loss, how to tell it from a leak with a bucket test, and what city rules say.
- [Pool Filter Pressure Too High: What It Means](https://marinapool.multisites.ai/post/pool-filter-pressure-too-high.md): High pool filter pressure usually means a dirty filter, but not always. Learn how to find your clean baseline, when to clean, and what else can cause it.
- [Your Pool Freeze Checklist Before the First Cold Front](https://marinapool.multisites.ai/post/pool-freeze-checklist-before-first-cold-front.md): A simple pool freeze checklist for North Texas: check the air sensor, baskets, freeze settings, and power plan before the first cold front arrives.
- [Pool Heater Will Not Ignite: What to Check Before You Call](https://marinapool.multisites.ai/post/pool-heater-not-igniting.md): Pool heater won't fire up? Check the pump, set point, breaker and freeze mode first. Learn what error codes like IF and LO mean and when to call a pro.
- [Pool Heater Repair or Replacement: Cost and Decision Guide](https://marinapool.multisites.ai/post/pool-heater-repair-or-replace-cost.md): Angi's fall 2026 data shows pool heater repair near $476 and installation near $3,100 nationally. See the repair-or-replace rules and what changes the cost.
- [Pool Light Not Working? Texas Rules on Who Can Fix It](https://marinapool.multisites.ai/post/pool-light-not-working-texas-rules.md): A pool light that will not turn on is an electrical job near water. See what Texas law says about who may replace it and what to check first.
- [Pool Mastic and Deck-O-Seal: Signs Yours Is Failing](https://marinapool.multisites.ai/post/pool-mastic-and-deck-o-seal-failing-signs.md): Cracked, hard, or separated pool mastic lets water into the joint between coping and deck. Learn the warning signs and what Deck-O-Seal repair involves.
- [Pollen and Leaves: Keep Your Pool Filter From Clogging](https://marinapool.multisites.ai/post/pool-pollen-leaves-filter-clogging.md): Cedar pollen peaks in North Texas around mid-January and leaves clog baskets all fall. Watch filter pressure, clean on schedule and know when to call.
- [Pool Pump Humming but Not Starting: Causes and Fixes](https://marinapool.multisites.ai/post/pool-pump-humming-not-starting.md): A pool pump that hums but will not start often has a bad capacitor, a stuck impeller or worn bearings. Learn safe checks and when to call a pro.
- [Why Your Pool Pump Loses Prime: An Air Leak Checklist](https://marinapool.multisites.ai/post/pool-pump-loses-prime-air-leak.md): A pool pump that loses prime is usually pulling in air. Use this checklist to check the lid O-ring, baskets, water level and suction fittings.
- [How Much Does a Pool Pump Replacement Cost in DFW?](https://marinapool.multisites.ai/post/pool-pump-replacement-cost-dfw.md): Angi's September 2026 data puts pool pump replacement at a national average of $1,300. See cost by pump type, labor, and when repair beats replacing.
- [What Temperature Should You Run the Pool Pump in a Freeze?](https://marinapool.multisites.ai/post/pool-pump-temperature-in-a-freeze.md): Freeze protection usually starts the pump near 35 to 38 degrees F, read from the air sensor. See controller defaults, how long to run, and what to check.
- [How Often Should a Pool Be Serviced in North Texas?](https://marinapool.multisites.ai/post/pool-service-frequency-north-texas.md): How often should a pool be serviced in North Texas? Weekly is the common answer for warm climates. See what changes it and what to check between visits.
- [Pool Service vs DIY in DFW: What Is It Worth?](https://marinapool.multisites.ai/post/pool-service-vs-diy-dfw.md): Pool service vs DIY in DFW: compare published costs, time and risk, and see which tasks are easy to do yourself and which are better left to a pro.
- [12 Questions to Ask Before Hiring a Pool Company in Grapevine](https://marinapool.multisites.ai/post/questions-to-ask-hiring-pool-company-grapevine.md): Use these 12 questions to compare pool companies in Grapevine, TX. Learn what to ask about insurance, licenses, chemicals, contracts and equipment.
- [Repair or Replace a Pool Pump? A Simple Decision Guide](https://marinapool.multisites.ai/post/repair-or-replace-pool-pump.md): Should you repair or replace your pool pump? Use this simple guide to weigh age, the failed part, published costs, energy use and the federal motor rule.
- [Salt Cell Error Codes: Low Salt, Check Cell, No Flow](https://marinapool.multisites.ai/post/salt-cell-error-codes-low-salt-check-cell.md): Hayward and Pentair salt systems show low salt, inspect cell and no flow warnings. Learn what each means, what to check first and when to call a pro.
- [Southlake Pool Barrier Requirements: A Homeowner Summary](https://marinapool.multisites.ai/post/southlake-pool-barrier-guidelines-summary.md): What the City of Southlake's February 2026 pool guidelines say about barrier height, gates, latches, alarms and backwash, in plain words for pool owners.
- [Southlake Water Report in Plain English for Pool Owners](https://marinapool.multisites.ai/post/southlake-water-report-pool-owners.md): Southlake buys water from Fort Worth. See the hardness, pH and alkalinity ranges in two city reports and how they relate to your pool, as of October 2026.
- [Do You Have to Upgrade to a Variable-Speed Pump? (The DOE Rule)](https://marinapool.multisites.ai/post/variable-speed-pool-pump-doe-rule.md): Does the federal DOE rule force you to upgrade to a variable-speed pool pump? See what the rule covers, the key dates, and what it means for repairs.
- [Weekly Pool Service Checklist in Grapevine, TX | Marina Pool](https://marinapool.multisites.ai/post/what-a-weekly-pool-service-visit-in-grapevine-should-include-checklist-red-flags-and-questions-to.md): Learn what weekly pool service in Grapevine, TX should include, from pool cleaning and chemical balancing to red flags, service costs, and questions to ask.
- [Why Chlorine Disappears in Texas Heat (and How CYA Helps)](https://marinapool.multisites.ai/post/why-chlorine-disappears-texas-heat-cya.md): Sunlight destroys unprotected chlorine fast. Learn how cyanuric acid shields it, the target CYA ranges, and why too much CYA makes chlorine weak.
- [Why Your Pool Turns Green After a Storm (and What to Do)](https://marinapool.multisites.ai/post/why-pool-turns-green-after-a-storm.md): Storms dilute chlorine and add debris and nutrients, so algae can bloom in a day or two. See why a North Texas pool turns green and the first steps to take.

## Glossary

196 pool and spa terms, each at https://marinapool.multisites.ai/glossary/<term>.md. Index: https://marinapool.multisites.ai/glossary.md