I have an above ground pool with a hayward de finger type filter. Every year it has what appears to be sand on the bottom of it. Someone told me the...

If his pool is like mine (I also have a cartridge filter), he may not even have a vacuum-to-waste option.

I presume that the reason that a phosphate...

Did you open this valve with the intention of cleaning the DE filter? I usually backwash the filter thoroughly before opening it to clean (as this...

Buy a mesh cover for your pool, they are cheap and will keep the leaves out of the skimmer and off the maindrain, then leave your salt system on, the...

They should definitely get a good test kit. Either the Taylor K-2006 they can get at a good online price here or the TF100 test kit from...

You can maintain a Free Chlorine (FC) level that is around 7.5% of the CYA level. You'll need to more accurately determine the CYA level so dilute...

try to vacum on waste

and if your getting sand in pool have a tech come out and check

the laterals and tube inside filter (if any)

gem geek is right

also try a stabilizer

that should help it hold chlorine

I would go with the pool installers option. If he is saying the sand is low, adding some may make the difference for you.

To lower stabilizer...

I have 2000-3000 ppb phosphates in my pool and keep away algae using chlorine alone. One needs to maintain (in a manually dosed pool) a Free Chlorine...

I had the same problem but it was a really fine grain sand. I ended up getting a cheap venturi vacuum at the pool store, $19 @ Toys 'R US. It's a...

It can come from fill water so from evaporation and refill as many water utilities use phosphates as a corrosion inhibitor. My water has about 400...

I have an Intex Easy Set Pool, 18x48...This is my third season with the pool...No problems until this year...Noticed little green circles on the blue...