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I'm still raising CYA with dichlor, but the pool got crystal clear after about a week with high FC levels.

I have added 1.100 grams of dichlor so far, which should have raised CYA by 13. It's getting slower now, because FC is maxed out (at 10) and the chlorine last longer with the higher CYA.

Taylor TF-100. Yes, I saw that in the pool calculator. But I don't know if the granulated chlorine I bought has the same amount of CYA. Let's hope it's the same.

Can't I find it out with mathematics? Say, fill a bucket with 10 liters of tap water. Add 10 gram of dichlor. Dissolve. Take a sample of 10 ml. Dilute with distilled water (1:10 ratio?) and then take the CYA test. If I can go as high as 10 and my FC is 6, according to the pool calculator, I...

I bought granulated chlorine. It says it's fast dissolving. The label says the active ingredient is sodium dichloroisocyanurate (60% active chlorine) and that you should add 70 gram for every 10 m3. How high can I go with the FC since the CYA is still 0? In the morning FC was 6.

I will check the label in the store. Thanks for all the help and I will post an update once I have made some progress.

I purchased the test kit over Internet. But it's too expensive for chemicals. The stabilizer costs US$ 20 in Amazon. But with shipping and taxes, it would cost me US$ 60 and would take 2-3 weeks to arrive. I think I'll have to settle with the granulated chlorine, increase CYA slowly and then SLAM.

http://goo.gl/5t6Heo It's in spanish. If it's slow to dissolve, maybe I'll add it little by little, so I don't increase FC too much and perform the SLAM once the CYA is up. Edit: measured pH after 1,5 hours of adding chemicals. It's now a little over 7,5.

I live in Chile, so I have limited options regarding pool chemicals. I found the following: stabilized granulated chlorine based on sodium dichloroisocyanurate, rapid dissolution. ¿Could that work?

Ok, thank you very much for the information. For increasing CYA, ¿can I use granulated chlorine? ¿Or is there some other chemical?

Thanks for the help. It seems that for SLAM I need to adjust pH first. Since TA buffers pH changes, how long do I have to wait before testing pH again after adding the chemicals? For the CYA, ¿can I use granulated chlorine? @pwrstrk: we have purchased a dosing pump. It's not yet installed, but...

I live in a condominium with a 11.000 gallon in ground pool. We recently drained and painted the pool. It then got filled up, but the pump wasn't turned on nor was there any maintenance. Leaves build up in the bottom of the pool, stained the paint and started to turn green. Then the pool...