Today's tests:
FC 19
CC 2.0
Also, good news and bad news. First, the bad news. There were three frogs in the pool today, all on the very young to young size. I was able to capture all three for relocation. Now, the good news. I was able to observe them swimming as they attempted to get away from me. In other words, the clarity of the water about 12-18 inches permitted their observation. So, that is some progress.
Pictures to be posted later on. I am not vacuuming or disturbing the pool. I did have to backwash this morning.
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The 3 criteria being?
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I see that !
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My hairnets should be arriving today from Amazon. I will try them in the skimmers, and see what happens. The knee highs did too good of a job and collected lots of "slimy stuff", but stopped water flow to the pump.
FC 19
CC 2.0
Also, good news and bad news. First, the bad news. There were three frogs in the pool today, all on the very young to young size. I was able to capture all three for relocation. Now, the good news. I was able to observe them swimming as they attempted to get away from me. In other words, the clarity of the water about 12-18 inches permitted their observation. So, that is some progress.
Pictures to be posted later on. I am not vacuuming or disturbing the pool. I did have to backwash this morning.

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I didn't add DE to my sand filter until after I passed the 3 criteria. I use it to go from "clear" to "sparkly". It won't, in my opinion, clear up a swamp, it will just speed up the final push to clear.
The 3 criteria being?
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As you have discovered, the addition of DE is a last step, only to be used after you have killed and filtered the great majority of algae and other debris. DE addition is to aid in achieving a final polish to the water. You have a while to go before you will be in a position to do that.
I see that !
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My hairnets should be arriving today from Amazon. I will try them in the skimmers, and see what happens. The knee highs did too good of a job and collected lots of "slimy stuff", but stopped water flow to the pump.