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Thanks for the tip! I'll look to go with the 60 sq ft filter then. Any other good sites to purchase filters off of? It looks to be sold out on that one.

I want to replace my old Hayward DE3620 filter with the same filter. Any good websites to purchase a new one?

Thanks!

I am in Massachusetts and the water level in my inground pool had almost reached the top recently from all the rain and snow we had since closing the pool in early October. When I closed the pool, I left the water level a little below the return jets. I am currently pumping out water to get the...

Thanks for your help!

Thank you! Do you add the acid the same way you’d add liquid chlorine?

My TA is 140 and my pH is 7.8. I am not experiencing any issues. Should I still attempt to lower my Total Alkalinity and pH slightly?

My SLAM is complete! Passed the OCLT, CC= 0.0, and the water is crystal clear. Thank you everyone for your help.

Not sure. My pool light went out so I have to get a new bulb anyways.

I’d like to change my in water pool light to purple. Any recommendations on what bulb to go with? I’ve never bought a pool light before. It takes an R-40 bulb type.

Any tips on keeping the light immersed in water? Mine floats at the top.

Will do. Thank you!

Thanks for your help! If this is the only place where I had algae and I scrub it all off, how much longer of performing the SLAM will I likely have?

Looks like the light niche may be the issue!

Thank you. The photos from that light niche thread were shocking. I’ll start there. I’ve scrubbed the inside of skimmer already and I don’t have a weir door.

It has a white plastic ring with a single screw on top. I’ll do that. Is it likely to be pretty nasty behind there?

Will do. Should I unscrew the light and clean behind it? I’ve never removed it before.

The light fixture looks fairly new. The light was working up until this week when it became dull for 2 days and then suddenly went out yesterday. But I will test it out with another bulb to be sure. Do the gaskets come with a new light? Will I need a new gasket on hand to put the old light back...

Failed the OCLT. Water has been crystal clear and has a CC of 0.5ppm, but I lost 3ppm of FC during the OCLT. I’ll be going on day 11 of the SLAM. Started because I had a CC of 1.5ppm. I’ve been brushing and vacuuming every day too. Filter pressure has been good. Is there a need to backwash...

Thank you!

I am currently performing a SLAM and believe I may almost be done. I tested my FC at 10:30pm. How early in the morning can I test my FC to complete the Chlorine Loss Test?

I’m a new pool owner as of last year. I need to replace my underwater pool light. Is there a way to tell what replacement pool light and gasket I need to buy without disconnecting the light and taking it out of the water?

The water is crystal clear and looks great. The CC has consistently been 0.5ppm every day. I haven’t performed an overnight chlorine lost test since passing it and finishing my SLAM on 6/22. I’ve been losing 4-5ppm of FC every 24hr period. It’s been hot and the pool gets good amount of direct...

Thanks for your help. Looks like I have a CYA of ~25ppm. Would you recommend going to 40ppm?

What did I do wrong? The lighting? The water in the tube began looking like the 20ppm photo approximately half way between 30 and 20ppm.

I’m thinking I have 20ppm for CYA. Could I have some help with the test because it can be subjective? I’ve attached a photo of the black dot at each marker.