
Why Is My Pool Green? (And How to Fix It Fast)
Woke up to a green pool? Here's exactly what causes it, why it happens overnight, and the step-by-step process professionals use to restore crystal clear water in 3–5 days.
Houston Pool Care Resources
Straight talk from certified pool technicians serving Friendswood, League City, Pearland & Greater Houston — no fluff, just the stuff Texas pool owners actually need to know.
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Written by PHTA-Certified Pool Technicians at Admiral Pool Service — Greater Houston
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Woke up to a green pool? Here's exactly what causes it, why it happens overnight, and the step-by-step process professionals use to restore crystal clear water in 3–5 days.

Most Texas homeowners overspend on pool pump energy by 40–60%. Learn how variable speed pumps pay for themselves and what to look for when upgrading.

Average prices for weekly pool service, one-time cleanings, equipment repair, and green pool recovery in Greater Houston — plus what affects cost and when to upgrade.

"Chlorine lock" isn't a real chemical state — it's three different problems wearing the same name. Here's how to tell which one you have, and why August is the worst month to drain a Texas pool.

Real pricing for pump replacement, heater repair, filter issues, automation systems, and more. From licensed Houston pool technicians.

Honest breakdown of time, cost, knowledge, and risk. What most pool companies won't tell you about both options.

When Ernest W. joined the Admiral Academy 2.5 years ago, he had zero pool experience. Today he's a Route Captain with a 45% earnings increase. Here's his story.
The exact checklist our technicians follow every single visit — from water chemistry to equipment inspection. Use it yourself or know what to expect from your pool service.
pH, chlorine, alkalinity, CYA — what these numbers mean, why they matter, and the ideal ranges for Texas heat. Plus: why your pool store test might be wrong.
That pool pump has been making noise for weeks. Is it a $200 fix or time for a $1,500 replacement? Here's how to tell — and when throwing money at repairs is a waste.
March through April is the window. Here's the full spring opening process — from removing covers to balancing chemistry to inspecting equipment after winter.
From mild haze to full swamp — here's exactly how long each stage takes to fix, what speeds up the process, and when you need professional help.
Your test says chlorine is fine, but the pool is green. The answer is almost always CYA lock, phosphates, or combined chlorine. Here's how to diagnose and fix it.
You shocked the pool but it's still green (or worse). Here's why that happens and the exact steps to take instead of just dumping more chemicals.
Cloudy water after shocking is usually a sign it's working — here's why it happens, how long it takes to clear, and the exact steps to get back to blue fast.
Cyanuric acid is the #1 hidden cause of green pools in Texas. Learn what CYA does, ideal levels, why it climbs, and how to fix it without draining your pool.
Houston's 95°F summers eat through chlorine faster than any other state. Here are the exact levels to maintain, how often to test, and the CYA-chlorine relationship most pool stores ignore.
Grinding, screeching, humming, or cavitation — each noise means something different. Here's how to diagnose what's wrong and whether it's a $50 fix or time for a new pump.
8 hours? 12 hours? 24/7? The right answer depends on your pump type, pool size, and season. Here's the formula pool professionals use — and how to cut energy costs in half.
If your filter gauge reads 25+ PSI, your pool isn't filtering properly. Here's what causes high filter pressure and when cleaning, backwashing, or replacing media is the answer.
95°F heat doesn't just make you sweat — it destroys chlorine, feeds algae, and shifts every chemical in your pool. Here's how Houston summer changes your maintenance needs.
Flooding, power outages, debris — hurricane season can destroy your pool chemistry in hours. Here's the before, during, and after guide to protecting your investment.
Weekly? Twice a week? Here's how climate, usage, trees, and equipment affect cleaning frequency — and why most Houston pools need more attention than the national average.
Not all pool services are created equal. Here's exactly what a proper weekly visit should cover — chemistry, cleaning, equipment — and what to look for if your current service is cutting corners.
Licensed, insured, certified — what actually matters when hiring a pool company? The red flags, the must-haves, and the questions that separate pros from amateurs.
Every spring, Houston's oak and pine pollen turns pool surfaces yellow and clogs filters. Here's how to stay ahead of it without doubling your chemical spend.
The pros, cons, costs, and maintenance differences between sand and cartridge filters — plus which type performs best in Houston's climate and water conditions.
Test strips are cheap and convenient — but they miss critical readings that professionals rely on. Here's why and what testing method actually works.
High CYA is the silent killer of Houston pools. Here's the honest truth about reducing cyanuric acid — what works, what doesn't, and when a partial drain is your only option.
Moving to Sienna or already there? Here's what makes pool care different in this master-planned community — from HOA standards to the best service schedule for Fort Bend County heat.
Sugar Land's municipal water is notoriously hard. Here's how calcium hardness, pH drift, and scale buildup affect your pool — and the exact protocol our technicians use to prevent damage.
Sienna's lake-adjacent neighborhoods and mature tree canopy create unique pool care challenges. Here's the week-by-week maintenance calendar that keeps Sienna pools spotless year-round.
Comparing the two biggest brands head-to-head for Greater Houston conditions — humidity, heat, salt air, and hard water. Plus which models our technicians see last longest.
Just moved into a new build in Sienna, Riverstone, or Aliana with a fresh pool? Here's the critical first 30 days of pool care that builders don't tell you about.
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Ideal chemical ranges, quick-fix troubleshooting, seasonal tips, and pump runtime guide — built for Houston pools.
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