Huh, I've always used two scoops (or "two dippers" verbatim), per instructions that came in the K-2006 kit. Is that bad?Also - your FC testing. 10 ml of water sample, one scoop of powder, each drop of reagent to clear is 0.5ppm FC.
I vaccumed to waste a few times, but then switched to brushing to let filter grab the remaining, dropped alge. Perhaps I need to deep clean the sand?Green to Blue I is 52 % calcium hypochlorite. Green to Blue II is the flocculent (Aluminum Chlorohydrate).