1) The Recommended Levels calculator mentions 60-80 being optimal for TA. But the instructions for the TF-100 test kit mention 100-120 being preferable for non-SWG pools. I was just wondering about the discrepancy.
2) It’s never mentioned, so is probably unnecessary, but I’ve seen many people do it: Do reagents need a quick shake before dispensing?
2) It’s never mentioned, so is probably unnecessary, but I’ve seen many people do it: Do reagents need a quick shake before dispensing?