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About a month ago I want away on business and came back needing to SLAM my now algaed pool for the 1st time in years. I brought the FC up to about 30 using a combination of liquid bleach and 4 pucks that I had put on the pool floor to cover some black algae spots. My CYA is at 60 so I was okay...

My 10 year old single speed pool pump recently started to go south and I knew it was time for a change to a variable speed pump to save some money on my energy bill. Before my pump totally died I thought I should do some research on the main brands like Hayward and Pentair. I went to my local...

My son threw a AA battery into the pool, and it was there a while before leaking and leaving a stain on the pool floor. It's a regular alkaline battery and not a rechargeable one as maybe one is a different metal from the other. I hear Ascorbic Acid might help, but also causes staining. I...

In SW Florida this time of year, it rains everyday for about 30 minutes in mid-afternoon. I normally have to put in 32 oz of bleach every other day to keep my chlorine in the 6-7 FC range. I haven't added a drop of bleach in four days. Over the last many days my FC has stayed at 7 although its...

I want to take the plunge on Borates, but I went into Pool Math and using the Borax method of adding, the calculation for my pool raised my TA by 110! My TA is ok at the moment at 100. What I've read says get your TA down to the lower end of the scale before adding Borates. Even if I got my...

I recently switched from an old 1 hp pump to a Hayward 1.5 hp model. Things seemed to be working fine but my water pressure was very low coming out of the returns. Pressure at the gauge was 25 psi. I then changed filters 4 days ago and now the water is coming out of the returns at max...

When I bought my home I was told that the pool was 15x30 at 12K gallons. Years later I measured myself to find out my pool is 14x28 so now I'm clueless about volume being the pool slopes into the deep end. I saw on another thread that Pool Math had (has?) a volume calculator, but I don't see it...

I conducted a beautiful first SLAM a week ago and my pool became crystal clear. We had a day of bad rain here in SW Florida and my FC went down to 1. I was away from home and lost a day to bring the FC back up. I got the FC up to to a 6 after 24 hours but the damage was done and algae showed...

While SLAMMING, or just as a general setting, should my valves for the skimmer and the bottom drain be open to 100% or maybe all filtration go to the skimmer just while SLAMMING?

I'm buying 10.5% Hypo from Leslie's and I'm in the middle of my first SLAM. SLAM is working great, but how long can the 2.5 gallons last before losing it's potency? Second question, maybe not for this thread, but how do I know how much chlorine to add during the SLAM? If I need to get to 15...

Hello Everyone, I just stumbled on to TFP when trying to find out why my 12,000 gallon pool wont hold chlorine. Most of what I read said I have Chlorine Lock. Then I come on the forum here and the members say Chlorine Lock doesn't even exist! Sounds like my pool...