Results for "yellow algae"

Algae Green Pool Medium 4-6 hours 522 👍 0

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

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Water Chemistry Easy 10 minutes 507 👍 0

How Long Do Pool Chemicals Last? Complete Shelf Life Guide

Somewhere in my garage I've got old pool chemicals from last season, but I can't afford to replace them all — is there a way to test if they're still good for under $20?

Specifically looking for technical specifications on how long liquid chlorine maintains potency versus granular forms, and whether chemicals like sodium bicarbonate and muriatic acid have definitive expiration parameters. Storage conditions are controlled temperature and humidity, so assuming optimal preservation environment.…more

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Filters Medium 2-3 hours for treatment process 253 👍 0

Can Pool Filter Sand Be Used in Garden? Complete Guide

I got stuck with 200 pounds of nasty used pool filter sand that the previous owner left behind when I moved in. Been in my filter for 3 years. Wondering if I can dump this in my vegetable garden or if the chlorine and other pool chemicals make it unsafe for plants. Anyone know if there's a way to clean it first or should I just toss it?…more

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Best Pool Chemical Starter Kits

4.5 (18,700 reviews)

Filters Easy 15 minutes 202 👍 0

How to Tell If Your Pool Cartridge Filter Is Bad - 7 Signs

Nobody can explain why my test strips show perfect chemistry levels but my pool water looks like chocolate milk. Filter cartridge looks grayish and the pleats seem a bit beat up. Tried cleaning it but water quality isn't improving.

How do I know when it's actually time to replace the cartridge versus just needing a better cleaning? What should I be looking for?…more

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Filters Easy 45-90 minutes 198 👍 0

Can I Vacuum Pool on Waste? Complete Filter Setting Guide

Halfway through prepping for our pool party this Saturday, I realized I have no clue which filter setting to use when vacuuming all this debris. I've got some pretty heavy debris that's settled on the bottom of my pool after a storm, and I'm worried about clogging up my filter if I vacuum it all up normally.

The guy at the pool store mentioned something about using the "waste" setting when vacuuming, but I didn't really understand what he meant. Does this actually work, and when should I be using waste instead of the regular filter setting? I don't want to mess anything up since I'm still learning all this stuff.…more

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Filters Easy 15 minutes 197 👍 0

How Long Do Pool Cartridge Filters Last? Replacement Guide

Between my pool store saying 2-4 weeks and everything online claiming 2-4 months, I'm completely lost on when to actually replace my cartridge filter. How long between cleanings? When do I throw them out completely and buy new ones?

Running my pool daily during summer. Want to stay on top of maintenance but not waste money replacing too early.…more

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Algae Green Pool Medium 2-7 days treatment 185 👍 0

Can You Swim in a Pool with Algae? Safety Guide & Solutions

Somewhere between yesterday's crystal clear water and this morning's green algae nightmare coating my 20,000-gallon inground pool, my kids started their relentless begging to swim. What are the actual health risks? Should I keep everyone out until it's completely clear, or is a little algae not that big of a deal?

I've heard mixed things from neighbors - some say it's fine as long as you shower after, others say it's dangerous. Looking for the real facts on swimming with algae present.…more

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Cloudy Water Medium 2-5 days 184 👍 0

How to Clear Cloudy Pool Water: Complete Step-by-Step Guide

Pulled off a perfect shock treatment on my old above-ground pool for this exact cloudy water mess, but my new inground pool still looks like milk. I can barely see the bottom and it's honestly embarrassing with summer parties coming up.

I'm pretty sure I need to do something with the chemicals and maybe run the filter more, but I have no idea what the right steps are or how long this is going to take. Should I be testing the water first? Adding chlorine? Help me get my pool back to that beautiful clear blue!…more

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Filters Medium 2-3 years typical lifespan 179 👍 0

How Long Do DE Pool Filter Grids Last? Complete Guide

Noticed my DE filter is passing powder back into the pool and the grids have been in there since we bought the house five years ago. Pool store says replace them all but that's $200+ in grids alone. How long are these things actually supposed to last before they need swapping out?…more

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Algae Green Pool Medium 15 minutes reading, varies for application 176 👍 0

How Pool Algaecide Works: Complete Chemistry Guide 2024

I replaced three different algaecides in two months, my 20,000-gallon pool still gets green spots weekly, AND my perfect chlorine levels aren't preventing anything. I've tried copper-based and polyquat algaecides, but I'm curious about the actual chemistry behind how these products work to kill algae.

My current chlorine levels are around 2-3 ppm and pH is 7.4, but I still get green spots forming on the walls every few weeks. The pool guy says algaecides work differently than chlorine, but he couldn't explain exactly how. I'd love to understand the science behind what's happening at the cellular level when algaecide contacts algae, and whether I should be relying more on higher chlorine levels or these specialty chemicals for prevention and treatment.…more

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Algae Green Pool Medium 2-4 hours 173 👍 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

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Best Above Ground Pools

4.3 (22,100 reviews)

Algae Green Pool Medium 1-3 days 173 👍 0

Can Pool Algae Kill You? Health Risks & Safety Guide

Turned on my pool lights last night and saw this green stuff floating around - total newbie here and honestly have no idea if this algae thing is dangerous. My pool has been fighting a losing battle against algae for weeks now, and it's gotten to the point where I'm genuinely worried about safety. The water is this nasty green mess, and I keep reading conflicting information online about whether algae can actually make you sick or worse.

I've got kids who are dying to swim, but I'm scared to let them anywhere near this swamp I used to call a pool. Is algae itself actually dangerous, or am I being overly paranoid? I know it makes everything slippery as hell, but are there real health risks I should be worried about? Just need to know if this is a "keep throwing chemicals at it" problem or a "nobody goes near the water" emergency.…more

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Algae Green Pool Medium 15 minutes reading 167 👍 0

How Does Pool Algae Form? Understanding the Science Behind It

Since my neighbor's pool sparkles like a resort while mine transforms into a green lagoon every month, what's their secret to preventing algae takeover? The staff always tries to sell me multiple expensive bottles of shock, algaecide, and clarifiers, claiming I need their whole treatment system. But I want to understand what's actually causing this algae to form in the first place so I can prevent it myself.

What are the root causes that allow algae to take hold and multiply in pool water? I'd rather tackle the problem at its source than keep throwing money at treatments that only seem to work temporarily.…more

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Water Chemistry Medium 2 hours setup 158 👍 0

Can You Store Pool Chemicals in a Deck Box? Safety Guide

I opened my deck box yesterday to grab pool shock and noticed a strong chemical smell — did I mess up storing chlorine tablets and pH adjusters out here?

I know chemicals can be finicky, but these deck boxes seem pretty sturdy. Anyone know if this is actually safe or if I'm asking for trouble? Don't want to accidentally create some kind of chemical reaction disaster in my backyard!…more

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Algae Green Pool Medium 3-5 days 157 👍 0

Can Pool Algae Be Brown? Types, ID & Treatment Guide

According to my pool guy I've done everything right — shocked twice, scrubbed every surface, ran the pump nonstop — but this mysterious brown crud keeps coming back. I know green algae is the usual suspect, but this stuff is definitely more brown/yellowish. Is that even a thing with pool algae?

I'm trying to figure out if I need to shock it like regular algae or if there's some other treatment I should be doing. Don't want to waste a bunch of chemicals if I'm treating the wrong problem!…more

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