Yes, followed it perfectly. Worked perfectly. I think it's 1 gram per 100 gallons. 1/4 tsp of Levamisole hcl powder weighs apprx 1 gram. Better to weigh it, but I didn't have a scale.
no scale here either,
how important is a full gravel (sand) vac?
wondering if i need to remove all the rock work in there?




