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I'll second the recommendation of Bacillus thuringensis spray. Depending on where you are, it might be too late in the season though. Probably too late in Georgia, but maybe not in Maine.

Vacuuming the sediment might get rid of some of it, but algae will continue to grow in the rest of the water and that will make more sediment over time. Do you have a chemical test kit? If so, what are your numbers? I'm particularly interested in your free chlorine, combined chlorine and...

I think you need to SLAM to get rid of the algae. The sediment is probably dead algae or other things that eat algae. Once you kill all of that stuff, your filter should be able to take care of clearing the water up.

Welcome. You've come to the right place. Lots of good people to help you here. The pool store says your levels are good, but you know that looking at your pool--they are wrong. So, what you need to do is do your own testing. Here's an article that compares different test kits. I bought the...

@wireform Germicidal bleach is only 8.25%, so you will need more than if you buy the 10%. At my home depot, germidical is $6.58 per gallon. while chlorinating liquid (the 10%) is $9.98 for a 3 gallon case.

I've been seeing ads on Facebook for the Algae Eater Pro. I'm a skeptic by nature and the claims it makes seem too good to be true. I'm curious to know if anyone knows how this is supposed to work and if anyone has tried it. It looks like it has a replaceable copper anode that is powered by...

When SLAMing, how clear is clear? I had no overnight chlorine loss last night, combined chlorine is 0.5. I can see my feet through 4.5 feet of water. They are slightly hazy. I guess it can't hurt to keep the chlorine up at 12 for a couple more days to see if the water gets any clearer.

Will do. Really didn't intend to go to 27.

Drained 2/3 to 3/4 of the pool and added water from the well back. Added chlorine (10%) approximately 200 oz (a jug and a half). New numbers: FC = 27 CC = 0 TC = 27 CYA = 20-30 (was about halfway between). Pat says round up, so that's 30. CH = 225 TA = 200 pH = 7.5 Chlorine >5 (next time, I'm...

So the extra cya came from the pucks. Off to Walmart to get liquid bleach. I've looked online for sources of bleach, but they don't seem to publish the % sodium hypochlorite on most sites (Amazon for example).

Dustin - I'd rather not replace half of the water, but I can if I need to. We're on well water, and there is no water shortage here, so the only real cost to me is electricity to pump the water out of the ground. I'll do that if folks here generally think that's a good idea.

So according to Texas Splash, I need more chlorine. That's good to know because I was afraid it was too high. I'm not sure how to take a good picture of the water. This one kind of shows the color. This one kind of shows the color and how far down you can see. When I am in the water, I can...

I ran the test again (3rd time). After adding DPD powder (R-0870), it turns a dark pink (almost red) 40 drops of R-0871 solution turns it clear. After 5 drops, it was a very faint pink this last time (possible I saw it as clear the last 2 times) I added 1 drop of R-0871 and it tuned clear...

Hi all, I've been lurking here for a couple of years. We finally got a pool last year. Pool: 21 foot diameter above ground, 52 inch, appx. 4 foot deep. (appx 11,500 gal.). 1.5 HP Blue torrent pump PRC 90 filter (also Blue torrent) I got a chemical kit from TFT. Here are my numbers: FC = 20...