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All, I need some advice from the TFP community. I've been thinking about what to do all weekend and I just can't make up my mind! Purchased my first robotic pool cleaner, a Pentair Kreepy Krauly Prowler 820 in June of 2014 from Hydropool.com for $734 with a $100 rebate offer from Pentair...

Does anyone know what chemical I could use to get this rust stain off my skimmer plate? Obviously I don't want to use a chemical that's going to screw with my water chemistry. Thanks! Would some ascorbic acid do the trick...

I see that it says CH doesn't really matter for vinyl liners but there is still a recommend range of 200 & 400ppm. I've tested pool water twice and tested the fill water and my CH readings are coming out at 20ppm. Is there any danger for having such a low CH reading? Is there any benefit to...

I read somewhere on here about how to remove the black ring stain on your tfttestkit tubes but I can't seem to find it.

Has anyone had any luck with the Aqua Chem Scale, Metal, & Stain Control sold at Walmart? I can't find any info on the ingredients and figured someone here would know. Just looking for something a little cheaper and a tad more accessible than ProTeam's Metal Magic.

I am planning to open my pool in a few weeks and I already know I'm going to need to do an AA treatment. My plan is to open, balance the TA & Ph, pour in some algicide and start the AA treatment since the chlorine levels will already be low from being closed. Any reason I should not do this...

This may not be the right sub forum to post in, but here's the scoop. A friend of mine is in the process of buying a foreclosure and was able to get the bank to install a new liner. He asked that I come by and take a look at everything to make sure everything was in working order before they...

I tried searching using the terms "best sand" "sand filter" and I wasn't really getting any hits. I am replacing my Hayward Sta-Rite due to broken laterals and leaky multi-port valve. I've never changed out a sand filter before so I wanted to see if there was a preferred sand that I should...

So I ordered a magnetic stirrer last week to speed up the testing process and so far I'm loving it. The problem I am encountering is inconsistent chlorine tests. For example, last night I tested the chlorine levels and came up with 4.5ppm. I then tested it manually and the result was 6.5. I...

I have organic stains on the walls and seams everywhere. The wife and I have been slowly cleaning it with Vitamin C tabs. This is very time consuming and I doubt we will ever be able to get it all clean. There are stains on the floor where earthworms sat and decomposed over the winter. I...

First let me say I so thankful I have found this site! I'm really impressed with all the information I have found so far. Now a little history. Purchased home with in-ground 18ft x 36ft vinyl pool in off-season 2008. Hired a guy to take care of it during the 2009 season. $100 per month, he...