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How do you know how much chlorine (diclore) to use to overtake ascorbic acid? I gave an aa treatment a few days ago but am Leary to add too much chlorine at a time. Would it be safe to use a half lb an hr a couple hrs a night until I see the FC hold (tester from blue box in the tf 100 kit) or...

What's the recommended amount of abscorbic acid to use in a 21,000 vinyl liner pool. I used 1.5 lbs and it seems it did everything except the deep end. I'm thinking about doing it again before getting chlorine levels up again and at the same time thinking I may just put off till august...

I just realized 2 weeks ago when I oPened my pool I used 34 oz of eclipse. I read the back and see copper is a main ingredient which is why they tout that ull need little chlorine, have to rarely shock and u won't get algae..... That is why even though I haven't shocked in a week due to a...

What's tge BBB method? How does shocking bring up CYA? Is using bleach ok if u have metals in the water issues as long as ur using sequestriants and I ask because doesn't that method have u try and maintain a higher than average fc reading? I'm new to using bleach in fact I just ordered the...

I'm thouroughly frustrated with my pool. Let me ask several questions and see if I can start to control my pool instaed of my pool controlling me. I'm reliant on going to pool stores because I have a cheap test kit. 1)What test kit can I order today to meet my testing needs so I never have to go...

My pool has in the last few years started to give me regular copper and iron readings. I have no heater and do not use well water. I have noticed some rusting around the screws that hold the skimmer plate on. Is there a chance that copper screws could be putting copper in the water? I also do...

I'm having a reoccurring problem with my water. I do not use well water and do not have a heater. My pool keeps giving me readings of copper at 1. When I shock the water it turns green. I use metal free to turn blue but can't get foggy water clear. I've put 2 liters of metal free into my 20,000...