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Moved from here. I am looking to try a solar cover for the first time. My understanding was that a solar cover would help to heat the pool a little in addition to its main benefit of retaining heat, and that thicker was better (e.g. 16 mil vs 8 mil). Point well taken about it needing to be...

Thanks for the good information. After reading a little more and seeing a picture of mustard algae, I think I have green algae, just a lot of it. Will continue to fight with shock levels of chlorine. Unfortunately chlorine dropped to 2 when I got home from work today. The weekend should make it...

Yellow/Mustard algae is a possibility since I did notice a lighter green slightly yellow in the shallow end the day after adding the algaecide. Is the higher chlorine shock level + algaecide the way to go? Today is day 4. I added 1 bottle of algaecide 4 days ago and have maintained chlorine in...

Opened a very dark green pool this year. Probably had some unresolved issues at closing. After adding algaecide (28oz of Poly 60) and chlorine (liquid from carboys), and vacuuming and brushing several times over the last few days, the shallow end is getting clear, but the deep end is still...

I think so. I plan to let it dissolve slowly in a nylon stocking hanging in front of a return held in place with a couple patio blocks.

My CYA level has dropped to zero over the winter. Just bought 4lbs of hth stabilizer & conditioner for $15. Active ingredient is 96% cyanuric acid. I thought I remember paying more at the pool store last year. Is this the right stuff? I think my pool is about 20,000 gal. Thanks, Jim

I am also reading zero CYA both at the local pool store and using my Taylor K-2006 test kit. I've added about 3 - 4 lbs so far, first dissolving in a sock in the skimmer, now using a nylon stocking hanging over the side of the pool so the return is flowing through it, which is dissolving the...

I still haven't decided on anything yet, but the rectangular cover with reasonable width reel covering some large percentage of the pool seems like the best choice. Then cut the remaining odd shapes for full coverage and/or use solar rings. My key questions are: 1. How heavy is an 18' x 40' 12...

I'm trying to figure out a good solution for heating my pool this summer. I have a gas heater, but didn't find it very effective last year. Tried it a few times and only raised the temp a few degrees over the course of many hours as I recall. I ran it overnight once, again with only a small...

Last year was my first year with a pool. The previous owners used a Nature2 system. I went BBB (simply didn't pop in a cartridge) and didn't have any problems.

Thanks for the fast responses. This forum is excellent!

If I go with Cal-Hypo for chlorination while I'm trying to increase my calcium hardness, how do I apply? Will leaving granules in the skimmer affect the pool and/or liner? An ad for a competing product said Cal-Hypo causes cloudiness - myth?

Does my Hayward sand filter care about calcium hardness?

I purchased a test kit today. Wanted one right away, so I got the "Test Kit Residential Complete" (#18576) at Leslie's for $40.99. I intended to get the one I saw on their website for $49.99 but they were out. The store said the only difference between what I got and the one for $49.99 was that...

After taking the cover off last week, starting the pump and vacuuming about 60% of the dirt off the bottom, the pool is starting to look good. So far I've only added bleach (about 6 large jugs of 6%, about 1 a day). Took a sample to Leslie's and here are the numbers: Free Available Chlorine...