Popular New Guides Product Guides Tools Checklists My Pool

Results for "chemical balancing"

612+ Answers Updated Weekly Free
How Long Can a Pool Stay Closed? Duration & Safety Limits
Maintenance Medium varies by closure type 363 👍

How Long Can a Pool Stay Closed? Duration & Safety Limits

Between the winter thaw and spring opening every year, I'm left wondering if my pool's been closed too long and the water is now unsafe. My facility requires extended closure periods for various operational reasons, and I want to establish clear protocols for both planned seasonal shutdowns and emergency closures.

Specifically, I'm looking for data on maximum safe closure timeframes before water chemistry becomes unmanageable and equipment integrity is compromised. What are the industry standards for winterized pools versus temporary emergency closures?…more
Can I Swim After Adding Pool Stabilizer? Safe Wait Times
Water Chemistry Easy 30 minutes 268 👍

Can I Swim After Adding Pool Stabilizer? Safe Wait Times

Turned my pool stabilizer into a mystery this morning - added it to my 20,000 gallon inground pool but my cyanuric acid test reads zero when everything says it should show immediately. I used the granular form and dissolved it in a bucket first before pouring it around the perimeter while the pump was running. My kids are asking when they can get back in the water, but I want to make sure it's completely safe.

I've heard different things about wait times - some people say you need to wait hours, others say it depends on the type of stabilizer you use. The granules seemed to dissolve pretty well, and I've had the circulation system running for about an hour now. What's the actual safe waiting period before we can swim again? Does it matter whether you use granular versus liquid stabilizer?…more
Do You Need a License to Clean Pools? Requirements by State
Maintenance Easy varies 249 👍

Do You Need a License to Clean Pools? Requirements by State

Somewhere in the paperwork mess the previous owner left behind, I discovered they were running an unlicensed pool cleaning business right out of this house. But I'm completely lost on the legal side of things and don't want to get shut down before I even start.

Do I need some kind of special license just to clean pools? What about when I'm adding chemicals or fixing pumps and filters? I've heard different things from different people and I'm getting conflicting information about business permits too. Really hoping someone can break down what's actually required because I'm ready to make this career change happen!…more
How to Raise Pool pH: Complete Guide to pH Increaser
Water Chemistry Easy 30 minutes 245 👍

How to Raise Pool pH: Complete Guide to pH Increaser

Before I dump chemicals into my pool, I'm trying to decide between adding baking soda or actual pH increaser to bring it up from 7.0. The pool store told me I need to raise it, but they mentioned a couple different chemicals and I'm honestly a bit confused about which one to use.

I've heard about soda ash and baking soda, but I'm not sure what the difference is or how much I should add to my 20,000 gallon pool. I really don't want to mess this up and swing it too far the other way. Should I be adding the chemicals slowly, and do I need to have my pump running when I do it? Any guidance would be really appreciated!…more
How Long After Adding Alkalinity Can You Swim? Safe Wait Times
Water Chemistry Easy 30 minutes 244 👍

How Long After Adding Alkalinity Can You Swim? Safe Wait Times

Three hours after dumping alkalinity increaser into our pool, my kids are still pestering me about when they can finally jump back in. I want to make sure it's completely safe before I give them the okay.

How long should I really wait after adding the alkalinity increaser? I know it needs time to circulate and dissolve properly, but I'm not sure if 20-30 minutes is enough or if I should wait longer. Our pump runs pretty well, but I'd rather be overly cautious when it comes to the kids' safety.…more
Does Walmart Have Pool Chemicals? Complete Buying Guide 2024
Water Chemistry Easy 30 minutes 242 👍

Does Walmart Have Pool Chemicals? Complete Buying Guide 2024

Apparently my go-to Walmart always had pool chemicals in stock last year, but now they're constantly out and I'm wondering if something changed with their inventory. My pool requires regular maintenance with chlorine tablets, liquid shock treatments, pH adjusters, and algaecides.

Specifically, I need to know about their in-store versus online availability, seasonal inventory fluctuations, and whether they carry professional-grade formulations or primarily consumer-level products. Location-based inventory variations would also be relevant for planning purposes.…more
Do Saltwater Pools Need Cyanuric Acid? Essential Guide
Salt Water Medium 2 hours including testing and adjustment 230 👍

Do Saltwater Pools Need Cyanuric Acid? Essential Guide

My saltwater pool opens every spring with the same nagging question about whether I actually need cyanuric acid or not. I know the salt cell generates chlorine automatically, but I'm not sure if that means I can skip the stabilizer. My pool gets tons of sun exposure throughout the day.

What's the ideal CYA level for saltwater pools, and does it work differently than regular chlorine pools? Don't want to waste money on chemicals I don't need, but also don't want my chlorine getting zapped by UV rays!…more
Wrong Question? Pool Maintenance Help Not Airline Miles
Maintenance Medium varies by task 223 👍

Wrong Question? Pool Maintenance Help Not Airline Miles

I found this weird cloudy film floating all over my pool surface that I can't figure out. I'm a brand new pool owner and honestly have no idea what I'm doing. My water looks cloudy and I'm not sure if my chemicals are right.

The pool store gave me a bunch of products but I'm worried I'll mess something up. Could someone point me toward a good guide for basic pool maintenance? I just want to get my water crystal clear and make sure everything is balanced properly. Any comprehensive resources for beginners would be amazing!…more
How Long Between Pool Chemicals - Safe Timing Guide
Water Chemistry Medium varies by chemical 223 👍

How Long Between Pool Chemicals - Safe Timing Guide

Walked out to check my pool chemistry and my test strips are showing 3.5 ppm chlorine, but every guide says it should drop to zero before adding more chemicals. The pool store gave me a bunch of different chemicals - chlorine, pH increaser, pH decreaser, algaecide, etc. - but I'm not sure about the timing.

How long do I need to wait between adding different chemicals? Can I just dump them all in at once to get my water balanced faster, or do I need to space them out? I don't want to mess anything up or create some kind of dangerous reaction in my pool.…more
How to Clean Pool Filter Sand: Complete Step-by-Step Guide
Filters Medium 2-4 hours 223 👍

How to Clean Pool Filter Sand: Complete Step-by-Step Guide

Pool filter pressure keeps climbing back up within days of backwashing and I'm starting to think the sand itself is the problem. It's been in there six years and I've never actually cleaned the sand — just backwashed. Is there a way to deep clean filter sand without replacing it entirely?…more
How to Clear Cloudy Pool Water: Complete Fix Guide 2024
Cloudy Water Medium 24-72 hours 221 👍

How to Clear Cloudy Pool Water: Complete Fix Guide 2024

Our pool turned into a cloudy mess ever since the kids' party last weekend, and now I'm worried it's not safe for them to swim. They keep asking to get in, but I don't want to risk their health if there's something wrong with the water quality.

What's the proper way to clear up cloudy pool water and make it safe again? I want to make sure I'm doing everything right - testing chemicals, shocking, filtering, whatever it takes. How do I know when the water is actually clear and safe enough for the kids to swim again?…more
How to Clean Pool Liner: Complete Above Ground Pool Guide
Above Ground Medium 2-3 hours 217 👍

How to Clean Pool Liner: Complete Above Ground Pool Guide

Three days until our big pool party and I'm staring at an above ground pool liner that looks absolutely revolting. The liner is starting to look a bit grimy and I can see some algae spots forming near the waterline. The pool store told me I need to clean it regularly but didn't give me specifics on how to do it safely.

I'm worried about damaging the vinyl since it wasn't cheap to replace. What kind of cleaner should I use, and what's the proper technique? I have a regular scrub brush but I'm not sure if that's too harsh. Should I be checking my water chemistry first before cleaning? Any guidance would be really appreciated since I don't want to mess this up!…more
How to Clear Cloudy Pool Water: Complete Step-by-Step Guide
Cloudy Water Medium 2-5 days 215 👍

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
Do Salt Water Pools Need Chemicals? Complete Guide
Salt Water Medium 30 minutes 214 👍

Do Salt Water Pools Need Chemicals? Complete Guide

Our saltwater pool area reeks of that sharp chlorine smell every morning, which seems impossible since we were told these systems are basically chemical-free.

But now I'm reading conflicting information online. The pool store told me I'd still need to buy some chemicals, but I'm confused about what exactly. I thought the salt system was supposed to handle everything? What chemicals do salt water pools actually need, and why? I want to make sure I'm taking proper care of the pool and keeping the water safe for my family.…more
How Long Pool Chemicals Take to Settle - Complete Guide
Water Chemistry Easy 2-48 hours depending on chemical type 213 👍

How Long Pool Chemicals Take to Settle - Complete Guide

Halfway through adding my pool chemicals, they're just floating on the surface for hours instead of dissolving like they normally do. After adding chemicals like chlorine, pH adjusters, or alkalinity increasers, I want to ensure they're properly mixed before taking water samples for testing.

My pump runs approximately 6-8 hours daily, and I'm concerned about getting inaccurate readings if I test too early. What's the standard circulation time required for different types of pool chemicals to fully distribute throughout the water? I want to establish a proper testing protocol to avoid chemical imbalances.…more
PoolGuy810
Ask a Pool Expert Avg reply < 5 min

My Pool Settings

Hi, I'm Splash!
Need help setting up? I can walk you through it
Pool Info
Calculate volume
Climate & Cover
Typical Chemistry

Pre-fill calculators with your usual levels (optional)

30-50 chlorine, 70-80 SWG
60-80 recommended
250-350 recommended
Equipment

Select your equipment to personalize checklists

Sync across devices

Pool Saved to Cloud

Your sync code (use this to load your profile on another device):

Write this down! There is no way to recover it if you lose it and clear your browser.