In a manually dosed pool if you don't maintain a minimum Free Chlorine (FC) level of at least 7.5% of the Cyanuric Acid (CYA) level, then your pool...

Even better than a DPD chlorine test is a FAS-DPD chlorine test. The reason is that the DPD test will bleach out above 5 ppm FC and though you could...

When I run my pool filter what should it be on? Its a hayward top feed, sand filter. How long should I run it the pool is really dirty.

Put your...

Your readings are darn near perfect. Sand filter, you may have a broken lateral. You might need to take out the sand and check them.

We just moved into a new house.
The house was a short sale that had been on the market / vacant for over 500 days.
Everything was neglected, house,...

I take care of the YMCA salt pool, 80,000 gallons. It depends on your fill water and the size of the pool. It shows you have a 22,000 gallon pool....

Most solar covers are pretty good, averaging between 10-15 degree raise in water temp. Some may be a little better than others, but if you're warming...

I've had some grids that were just a few weeks old and the tore, for some reason or another. Usually I'm trying too hard to get them into the...

It is not true that chlorine does not affect yellow algae. It is true that yellow/mustard algae is more resistant to chlorine, but it can still be...

also using a floater or auto chlorinator? it helps to bring chlorine lvls up if on top of putting tabs in your chlorination to put a few in your...

Your calculation is correct. You can also use The Pool Calculator .

I will check the clamp nut. Thanks

Covering pool and dumping low chlorine bleach in the middle of summer in Florida is asking for a big trouble.
Algae will establish itself in the...

Very unlikely. If you are using Trichlor pucks/tabs as your source of chlorine, then that is the source of your low pH since Trichlor is very acidic...

its does help thankyou. i will get some pictures up, measure the pool,pipe sizes and get someone in to have a look...(i take it they dont charge to...

I've seen these pieces get stuck together before. Ive seen it happen in non salt pools too.

What is still in the wall of the pool? If you broke the...

I would carry the vacuum back if it is not doing what it is suppose to.

I do not know about your pool companies in your area, but the ones here will...

It's on another forum where you can click on the following words to get to it: Pool School .