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Well, I'm going on two weeks and here are the results at yesterday's reading. There is no green algae, but there is some black stuff (algae) deep down in the surface erosion spots in the plaster. The FC loss test has been good for a week and I built a PVC aerator to get the TA down. FC: 4...

I have two filters. Also, I tested the pH when the FC was 3 and it was 6.8. After running all day, I can just make out a shadow of the 3rd step, but we are still VERY cloudy.

Ok, the FC reading this morning was the same as last night. I also tested TA and it is 170. So my pH is 6.8 and the TA is a bit high. Should I add soda ash? Report on cleaning methods. I have been using TSP and the aquacomb to clean the filters with decent results, but it still left some...

Thanks Richard, I am doing an overnight FC loss test. Because I was right at 3 ppm earlier this evening, I added about 1.5 gallons of chlorine and waited 2 hours with no sun. The test came back at 21ppm FC!!!! (2x) Can that be right? Small amounts of chlorine make huge changes. So, I guess...

I got the TF100 test kit in and measured the FC. I tested it 4 times to make sure. The # of drops to clear were : 6, 3, 6, 7 (I'm not sure why its fluctuating), but I figure my FC is 3 FC: 3 CC: 1 (2 drops to clear) CYA: This was so low that I filled up the observation tube and could still...

Awesome- thanks! I did run the hose leaf catcher again and got some more debris out. Looks like I'll be cleaning that filter a LOT.

Hello All, Thank you for this forum. I've learned a lot in reading the posts, but have some questions now. I'll start by saying this pool is old and badly needs to be re-plastered. There are pit marks and rough patches all over the pool that harbor algae (probably 30 altogether). To make...