Results for "sodium chloride"

Salt Water Easy 30 minutes 33 👍 0

Can You Use Table Salt in a Saltwater Pool?

Looked all over town yesterday for pool salt and every store nearby is sold out, so I topped up what little I had left and now I'm sitting just under the target level on my salt chlorine generator. I've got a full bag of regular iodized table salt in the pantry, a half-bag of water softener pellets in the garage, and some leftover ice-melt from winter. The generator is still reading low and I don't want to wait a week for an online order to arrive.

I'm wondering if any of those substitutes will actually work in a pinch, or if dumping the wrong stuff in will trash the salt cell. The replacement cells aren't cheap, so I really don't want to find out the hard way. What actually makes pool-grade salt different from the other stuff sitting in my garage?…more

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Maintenance Medium 2-3 days for dechlorination 588 👍 12

Can You Use Pool Water for Garden? Safe Irrigation Guide

Last fall when I drained my pool for winter, I couldn't shake the feeling that thousands of gallons going down the drain could've watered my entire garden instead. We grow tomatoes, lettuce, and herbs that my kids love to help harvest and eat.

I know pool water has chlorine and other chemicals, but I'm not sure what levels are safe for plants or if there's a way to make it garden-safe. Are there specific chemical levels I should test for before using it? I want to make sure we're not contaminating the soil or creating any health risks for my family when we eat the vegetables.…more

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Salt Water Medium 10 minutes 620 👍 0

How Pool Salt Cells Work: Electrolysis Process Explained

I tried figuring out how my neighbor's salt cell creates perfect chlorinated water while mine struggles, but I'm completely lost on how salt actually becomes chlorine.
Like, I get that I add salt to the pool and somehow it becomes chlorine, but what's the actual process happening in there?

Is it some kind of chemical reaction or what? And why does my pH always seem to creep up when the salt cell is running - is that related to whatever's going on inside the cell too?…more

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Salt Water Medium 15 minutes to read 254 👍 0

How Salt Water Pool Chlorinators Work - Complete Guide

Got a 2 AM salt water pool chlorinator failure on my hands — desperately need to understand how this system works before the sun comes up. The pool store told me it's better than traditional chlorine, but I'm honestly confused about how it actually works.

I know there's salt in the water and some kind of cell, but how does that create chlorine? Like, what's actually happening inside that equipment? I want to understand the process so I can better maintain my pool and know what I'm dealing with.…more

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Salt Water Medium 45 minutes 971 👍 2

How Salt Water Pool Systems Work: Complete Guide 2026

Despite my pool guy insisting I need to understand salt water electrolysis to maintain my system, his overly technical explanation makes me think he's overcomplicating things.
Specifically, what happens at the cellular level when salt water passes through the system? How does dissolved sodium chloride get converted into an effective sanitizing agent, and what role does electrolysis play in this conversion process? I want to grasp the complete operational mechanism before investing in this technology.…more

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Water Chemistry Easy 5 minutes 226 👍 0

How Is Pool Chlorine Made? Complete Manufacturing Guide

Always assumed pool chlorine was just bleach in a fancy package until my chemistry teacher neighbor said it's actually manufactured completely differently. Now I'm curious — what exactly goes into making pool chlorine and is there really a difference between the cheap and expensive stuff?…more

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Water Chemistry Easy 2-4 hours 564 👍 0

How Long After Adding Calcium Hardness Can You Swim?

Wondering why my neighbor was swimming hours after adding calcium hardness yesterday while I'm still waiting after adding mine this morning. How long do I need to wait before it's safe to swim? Pool's been circulating for about an hour now. Do I need to test anything else before getting back in?…more

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Salt Water Medium 2-3 hours for water testing and balancing 408 👍 12

Can You Use Salt in Pool Without Saltwater System?

I've got a regular chlorine pool — just the standard setup with a skimmer, pump, and filter, and no saltwater chlorinator. A neighbor mentioned I could add some pool salt to the water to make it nicer to swim in. Before I dump a bunch of salt in, I want to make sure I'm not making a mistake: will adding salt actually do anything useful in a pool without a salt system, or am I just setting myself up for problems?…more

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Salt Water Medium 15 minutes reading 203 👍 0

How Pool Salt Cells Work: Complete Guide to Salt Water Generation

Wondering why my salt cell's red blinking light contradicts what the pool store tech said about it still producing chlorine normally? What actually happens when electricity hits the salt water? How do the titanium plates convert salt into chlorine?

Looking for the technical process - not just 'it makes chlorine' but the actual chemical breakdown and how the sanitizer gets produced automatically.…more

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Water Chemistry Easy 4 hours 382 👍 0

Can I Swim After Adding Calcium to Pool? Safe Wait Times

Just dumped calcium hardness increaser in the pool and my kids are already begging to swim. The bag says wait but doesn't specify how long, and every website gives a different answer. Water looks crystal clear but I don't want anyone getting skin irritation from undissolved chemicals floating around.…more

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Maintenance Easy 5 minutes 303 👍 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

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Water Chemistry Easy 10 minutes 977 👍 1

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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Salt Water Medium 30 minutes 275 👍 0

Do Saltwater Pools Need Chemicals? Yes - Here's What You Need

Despite having a 15,000 gallon saltwater pool with a functioning salt system, the pool store keeps pushing $200+ worth of chemicals every month. They keep telling me I need all these pH adjusters, alkalinity boosters, and other expensive stuff on top of the salt. I thought the whole point of going saltwater was to avoid dealing with a bunch of chemicals!

I'm looking to handle this myself and cut down on costs, but I want to make sure I'm not missing something important. Does the salt chlorine generator really only make chlorine? What other chemicals do I actually NEED to keep my water balanced, and what can I skip?…more

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Water Chemistry Easy 2-48 hours depending on chemical type 739 👍 0

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

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Water Chemistry Easy 15 minutes 397 👍 1

Pool Chemical Expiration: How Long Do They Last? Complete Guide

Finally moved into my new house and discovered the previous owner left a storage room packed with mystery pool chemical bottles that could be years old. My 20,000-gallon inground pool requires quite a bit of chemicals throughout the season, so I tend to buy in bulk when there are sales.

I've got liquid chlorine from last summer, some granular shock that's been sitting for about two years, pH increaser and decreaser from various seasons, and alkalinity increaser that I honestly can't remember when I bought. The containers don't all have clear expiration dates, and I want to know which ones I can safely use this season versus which ones I should replace.

What's the typical shelf life for different types of pool chemicals? I don't want to waste money replacing chemicals that are still good, but I also don't want to add ineffective chemicals to my pool and mess up my water balance.…more

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