Results for "algae diagnosis"

Algae Green Pool Medium 2-4 hours 252 👍 1

Does Cloudy Pool Water Mean Algae? 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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Filters Medium 45 minutes 206 👍 1

Do I Need DE in My Pool Filter? Diagnosis & Solutions

I turned to three different pool techs about my 2019 Pentair FNS Plus cartridge system and got three completely different answers about adding DE. My kids spend hours in the pool every day during summer, and I want to make sure the water is as clean and safe as possible for them.

I'm honestly not even 100% sure what type of filter system we have - the previous homeowner left some DE powder in the pool shed, but I don't know if I'm supposed to be using it or not. How do I figure out if my specific filter needs DE, and if so, what's the right way to add it? I just want crystal clear water that's safe for my children to swim in every day.…more

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Above Ground Medium 2-4 hours 460 👍 0

Above Ground Pool Problems: Complete Troubleshooting Guide

Our above ground pool faces the exact same maddening issues every single spring, and we're tired of getting ripped off by overpriced pool store "solutions. Between overpriced chemicals and costly service calls, I'm looking to become more self-sufficient with pool maintenance.

My pool seems to have different issues throughout the season - sometimes the water looks off, other times the pump isn't working right, and occasionally I notice problems with the liner or walls. Rather than guessing or getting upsold every time, I'd love a systematic way to figure out what's actually wrong so I can tackle these problems myself and save some money.…more

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Editor's Pick

Dolphin Nautilus CC Plus Robotic Pool Vacuum (2026)

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Maintenance Medium 15-20 minutes to read, 30-60 minutes to complete weekly tasks 294 👍 1

Weekly Pool Maintenance Checklist: Complete Guide

Weekly pool maintenance involves testing and balancing water chemistry (pH 7.4-7.6, proper chlorine levels), cleaning skimmers and equipment, brushing walls, and vacuuming debris. Consistent weekly care prevents expensive repairs and keeps your pool safe for swimming year-round.…more

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Equipment Medium 30 minutes 213 👍 0

Do I Need a Robotic Pool Cleaner? Complete Decision Guide

During pool opening season every year, that same pushy sales guy tries convincing me I absolutely need his $1,200 robotic cleaner. They keep insisting I need it, but I'm already spending a fortune on chemicals and maintenance. I've been manually vacuuming and skimming debris myself to save money, but it's eating up my weekends.

My pool is about 25,000 gallons and sits under some oak trees, so I do get a decent amount of leaves and debris. The pool store claims a robotic cleaner will save me time and money in the long run, but I'm skeptical - feels like they're just trying to make their monthly sales quota. Are these things actually necessary or just another way to drain my wallet?…more

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Above Ground Easy 30 minutes 831 👍 1

Do Intex Pools Need Chemicals? Complete Chemical Guide

Last summer when I finally set up my first Intex Easy Set (12 feet, about 2,400 gallons), I've been completely lost on what chemicals I actually need. The manual mentions using chemicals but doesn't give much detail about what's actually required.

I've been running the filter pump for a few days now, but I'm starting to see some cloudy water and what might be the beginning of algae growth on the walls. Do Intex pools really need the same chemical treatment as regular in-ground pools? What's the minimum I need to keep the water safe for my kids to swim in? I want to make sure I'm doing this right from the start.…more

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Cloudy Water Medium 2-5 days 1,906 👍 1

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 45 minutes 560 👍 0

How Pool Cartridge Filters Work: Complete Troubleshooting

Spent another spring weekend dealing with my cartridge filter acting up again, and I'm done getting ripped off at the pool store instead of fixing it myself. The guys there always want to sell me expensive new cartridges or additives, but I feel like if I understood what's actually happening inside the filter, I could maintain it better.

What's the step-by-step process of how water gets cleaned as it passes through? I know there's some kind of fabric material involved, but I want to understand the nitty-gritty details of how particles get trapped and what size debris these things can actually handle.…more

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Above Ground Medium 30-45 minutes 449 👍 0

Can You Clean Pool Liner with Bleach? Safe Methods & Tips

Halfway through cleaning my new vinyl liner with the same bleach method that worked perfectly on my old above-ground pool, I'm wondering if I'm damaging it. They always push these expensive chemicals and act like regular household products will destroy my pool. I've got some stains and algae buildup on my vinyl liner that need attention, and I'm wondering if I can just use regular bleach to clean it.

I know bleach is basically chlorine, which is already in my pool, but I want to make sure I won't damage the liner if I use it directly. Has anyone successfully cleaned their pool liner with household bleach? If so, do I need to dilute it or can I use it straight from the bottle? Looking for some honest DIY advice from people who aren't trying to upsell me!…more

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Water Chemistry Medium 2-6 hours 219 👍 0

Should You Shock Pool When Chlorine Is Already High?

Called my pool guy about my 8-year-old chlorination system that's overdosing — should I shock anyway or risk algae growth? My pool's total chlorine reading is showing high levels, but I'm uncertain whether shocking is still necessary or potentially harmful in this situation.

Specifically, I want to understand the relationship between total chlorine, free chlorine, and combined chlorine levels when determining shock treatment protocols. What's the proper testing sequence and decision matrix for shock treatment when initial chlorine readings appear elevated?…more

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