Results for "white algae"

Algae Green Pool Medium 3-7 days 199 👍 0

Can Pool Algae Be White? Types & Treatment Guide

The white slime on my pool walls tripled in size after I followed three different YouTube cleaning tutorials. I've been treating it like regular green algae - shocked it multiple times, balanced my chemicals, the whole nine yards. But this white stuff just keeps coming back and it doesn't look like any algae I've dealt with before.

Is white algae even a thing? Or am I dealing with something completely different here? The texture is almost... fluffy? And it seems to stick to surfaces more than regular algae. I'm starting to think I need a different approach but I don't want to keep throwing chemicals at the wrong problem.…more

Read answer

Salt Water Medium 2-5 days depending on severity 161 👍 0

Do Salt Water Pools Get Algae? Prevention & Treatment Guide

Converted to salt water two seasons ago and thought algae would be a thing of the past. Woke up last Tuesday to green patches forming on the shallow end walls despite my salt cell running full blast. Starting to wonder if salt pools are really as algae-proof as everyone claims.…more

Read answer

Algae Green Pool Medium 2-4 hours 205 👍 0

Does Cloudy Pool Water Mean Algae? Expert Diagnosis Guide

Walked out to my 20,000 gallon inground pool this morning and the crystal clear water from three days ago is now completely cloudy. They've been asking to use the pool, but I'm worried this cloudiness might mean we have an algae problem that could make them sick.

I'm not sure what's causing the cloudiness - could it be algae starting to grow, or might there be other reasons? How can I tell the difference between algae and other issues that cause cloudy water? I want to make sure I properly diagnose what's wrong before letting the kids back in the pool.…more

Read answer

Editor's Pick

Dolphin Nautilus CC Plus

Wi-Fi control, top-load filter, climbs walls — the benchmark robotic cleaner. View on Amazon →

Sponsored

Maintenance Easy 5 minutes 192 👍 0

Pool Glossary: SLAM, Sanitizer, PSI, CYA & Common Pool Terms

I keep seeing pool terms and abbreviations like SLAM, CYA, FC, PSI, sanitizer, backwash, and shock. What do they mean in plain English?…more

Read answer

Algae Green Pool Medium 4-6 hours 724 👍 1

Can I Shock Pool After Adding Algaecide? Complete Guide

Spent all morning watching my pool turn green with algae patches and now I'm holding bottles of algaecide and shock with no clue which to use first. But I'm not sure about the timing - can I add both in the same day? Should I put the algaecide in first, or does it matter?

Also, if I can use both, how long should I wait between adding them? Don't want to mess up my water chemistry or waste expensive chemicals by doing this wrong!…more

Read answer

Algae Green Pool Medium 24-72 hours 207 👍 0

How Long Before Green Pool Turns Blue? Complete Timeline

Our chlorine levels hit 3 ppm after two shock treatments, but every guide says the pool should be crystal blue by now—ours looks like a green swamp. Came back to find it completely green - like swamp water green. The pool store told me about something called the SLAM method and sold me a bunch of chemicals.

I've started the treatment but I'm wondering how long this is going to take? My neighbor said it could be days or weeks depending on how bad it is. The algae seems pretty thick and I can barely see a foot into the water. I've got the filter running 24/7 like they told me, but I'm just anxious to know what kind of timeline I'm looking at before I can actually swim again. Any guidance from experienced pool owners would be really appreciated!…more

Read answer

Algae Green Pool Medium 34 👍 1

Why is my salt water pool turning green all of a sudden?

I just checked my salt water pool this morning and the water looks like pea soup. I know salt pools are supposed to be low maintenance, but I don't have any chlorine readings and I'm not sure if my generator is working or if I need to shock it myself.…more

Read answer

Cloudy Water Medium 42 👍 2

Why is my pool cloudy after shocking?

I shocked my pool last night to clear up the green algae, but I woke up this morning to a milky, cloudy mess instead of crystal clear water. I didn't think the shock would make it look worse, but now I'm worried I messed up the chemistry. What caused this cloudiness, and what steps do I need to take to get the water looking right again today?…more

Read answer

Water Chemistry Easy 30 minutes 175 👍 0

Do Pools Need Chlorine? Essential Pool Sanitizer Guide

Between my neighbor claiming pools don't need chlorine with proper balance, the pool store insisting it's essential, and YouTube giving conflicting advice, I'm completely lost.

Are there other options besides chlorine? I've heard people mention saltwater pools and UV systems - do those work just as well? I want to keep my family safe but also don't want to over-complicate things as a beginner. What's the most reliable way to keep pool water clean and safe?…more

Read answer

Salt Water Medium 45 minutes 222 👍 0

Do Saltwater Pools Need Chlorine? The Complete Truth

About two weeks into this rental with my first saltwater pool and the generator's been running constantly but the water stays green no matter what I do. I've thrown every chemical I can think of at this thing - algaecide, shock, clarifier - and nothing's working.

Do saltwater pools actually need regular chlorine added, or am I missing something else? I thought the whole point was that the salt system makes its own chlorine automatically. My levels seem off but I'm not sure if I should be manually adding chlorine to a saltwater pool or if that defeats the purpose entirely.…more

Read answer

Winterizing Medium 4-8 hours 269 👍 0

Do I Need to Winterize My Pool? Complete Regional Guide 2026

My 20,000 gallon inground pool looked fine yesterday, but walked out this morning and spotted ice crystals forming around the edges that definitely weren't there last night. I live in central Pennsylvania where we definitely get freezing temperatures, but I'm trying to figure out the right strategy.

I've been maintaining my pool chemistry pretty well - chlorine stays around 2-3 ppm, pH is balanced at 7.4, and alkalinity is good at 100 ppm. The pool has been crystal clear all season. But now that October is here and nighttime temps are starting to drop into the 40s, I'm wondering what level of winterization is actually necessary for my climate zone.

Do I need to drain the pool, blow out all the lines, and do the full winterization process? Or are there different approaches depending on how cold it gets in my area? I want to make sure I protect my equipment and plumbing from freeze damage, but I also don't want to do more work than necessary if my climate doesn't require it.…more

Read answer

Product Ranking 8 compared

Best Robotic Pool Cleaners

4.6 (28,500 reviews)

Salt Water Medium 30 minutes 173 👍 0

Do Salt Water Pools Need Chlorine? Complete Chemistry Guide

This house came with a salt water pool system that the previous owner left in complete disarray, and I'm totally clueless about maintaining it. The pool store told me that salt water pools are "chlorine-free" which is why I made the investment, but now I'm reading conflicting information online.

Do I actually still need to buy and add chlorine to my salt water pool? I thought the salt system was supposed to handle all of that automatically. I'm worried I might be missing something important for keeping the water safe for my kids.…more

Read answer

Filters Easy 15 minutes 202 👍 0

How to Know If Your Pool Filter Is Dirty: Clear Warning Signs

Around the pool supply store staring at rows of filters with absolutely no idea how to tell if mine actually needs replacing. What should I be looking for to know when my filter is getting too dirty and needs attention?

I've heard something about pressure readings, but honestly I'm not sure what numbers I should be watching for or what other warning signs might tell me it's time to clean or replace the filter media.…more

Read answer

Above Ground Medium 15 minutes 197 👍 0

Do Inground Pools Need Liners? Complete Guide 2026

Wondering if my pool renovation is draining my savings account because I keep second-guessing whether my inground pool actually needs a liner. My neighbor just had to replace his pool liner after like 10 years and it was a huge hassle, but my other friend says her concrete pool doesn't have a liner at all?

So which types of inground pools actually need liners and which ones don't? And if I do end up with one that needs a liner, how often am I looking at replacing the thing? Trying to figure out the long-term maintenance costs before I commit to anything!…more

Read answer

Salt Water Medium 2-3 hours for complete cleaning 186 👍 0

How to Clean Salt Water Pool: Complete Maintenance Guide

Salt pool has been running great for two years but it's starting to look dull — waterline buildup, cell is crusty, and the water just doesn't sparkle like it used to. Nobody told me saltwater pools needed this much upkeep. What's the proper maintenance routine I should be following?…more

Read answer

Loading more Q&A...

You've seen all 26 Q&A articles!