O.k. I tested the FAS-DPD test..I followed the direction it turn purple not pink then 122 drops still purple. I think the test is malfunction.
Calcuim: 600
(OTO) TC: CL BR
5 10
PH Test: 7.6
AKA: 120
CYA 0
FC: Unknown test will not work
Please help! Thanks!
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