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The Daily Insight

Should I use bromine or chlorine in my pool?

Author

Christopher Pierce

Published Jun 03, 2026

Should I use bromine or chlorine in my pool?

High Temperatures Bromine works better at higher temperatures than chlorine. Above 75°F, bromine remains stable, whereas chlorine is more effective in temperatures as low as 65°F. This makes bromine a better choice for hot tubs and spas, and an unheated pool will be better served by the use of chlorine.

Do I need chlorine if I have a pool filter?

To keep the pool clean without a filter, it is necessary to use chlorine with a flocculant or to use a flocculant chemical. This product groups the impurities that float in the water, causing them to fall to the bottom of the pool so that they can be removed later with a cleaner.

What is backflushing a pool filter?

What Is Backwashing? The backwashing process reverses the flow of water to flush out contaminants from a swimming pool filter. It should be carried out until water runs clear through the waste line.

Is it good to backwash your pool filter?

Backwashing your filter can help keep your pool water crystal clear. While cloudy water may also be attributed to chemical imbalances, backwashing your filter is a quick and less costly way to try to clear your water up. When to Backwash Your Pool Filter

What does it mean to backwash your pool?

Backwashing is a pool term used to describe a filter cleaning method which reverses the flow of water through your filter system. While most pool filters help to remove organic material by pushing water through a porous medium (typically sand) and returning the clean water to the pool, over time larger particles build up in the filter.

What kind of chlorine do you use in a swimming pool?

In most cases, you’re best off with 3-inch chlorine tablets, as one single tablet can treat up to 5,000 gallons of water. On the other hand, 1-inch tablets contain far less chlorine (about half as much as 3-inch tablets), so they’re better suited for smaller indoor pools and spas.

Why does my pool filter keep getting cloudy?

If your pool is looking cloudy, it could be because of a backed-up filter. Backwashing your filter can help keep your pool water crystal clear. While cloudy water may also be attributed to chemical imbalances, backwashing your filter is a quick and less costly way to try to clear your water up.