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Opened the pool and found a black ring around everything at water level. The stains were mild last year and easily removed with Magic Eraser but after sitting all winter the stains are pretty bad. What could be causing this and can it be prevented?

Here are my latest test results. Recovering from the flu so pool has been neglected for the past few days. PH 8.2 FC 0.5 TA 250 CYA 25 According to the CYA chart I should have a target FC level of about 3.5. Does this mean I should put 3.5 into the Pool Calculator or does this mean I should...

What is the consensus on solar covers. Obviously they are used at night if air temp is less than water temp. For a blue solar cover is it best to leave it on or off on a sunny day with 10mph winds. Pool temp is 77 air temp is forecast 85. Just trying to get warmer until i get the solar panels...

While back washing the filter I turned the Multiport handle with the pump running. It slipped out of my hand on closed and immediately the lid popped off the pump basket. It broke and I need to replace it. The pool is brand new only installed a few weeks ago. What is the housing for the filter...

I just got done finishing out the electrical and now the pump won't run. I had the wiring temporarily hooked up without a box on the outside of the house and it worked fine. I put a permanent weatherproof box on the house and connected the wires with weatherproof wire-nuts. I have a lot of...

How late should it be to start the OCLT? Just sun off the pool? Dusk? Night? And should I retest before sun-up?

I filled my new pool from the well and after adding chlorine lots of red stuff accumulated on the bottom of the pool. Today I vacuumed it all up. After I was done I found red scum on all the white surfaces in the skimmer. I rubbed it with my hands and it was almost greasy. It just kind of...

CHLORINE DROPPING TO ZERO I just finished my pool build (well its swim-able) and it just finished filling from well water today. 2 days total fill time. Pump and filter came online a few hours ago. While filling I used the Pool Calculator to adjust chlorine to shock levels each evening. Last...

Can I fill my new above ground pool at night. It has a j-hook liner. I've heard mixed reports on this. What are your opinions?

I Ordered a Matrix 24' yesterday! Happy days! Now I need help. There are so many different pumps available. What should I buy. I already have a Pentair Sand Dollar SD-80 filter, bought a year ago. It holds 350lbs of sand. Also the pool is coming with a 20' solar water heater. The pool should...

Hello! New to the forum here. I have had Intex blow up ring pools for 4 years. Hate the take down at the end of each season. Now we are ready to move up to the big leagues. Within a month the plan is to begin construction on a permanent above ground pool. I do have a wet ground problem though...