How much physan 20 per gallon to clean the system out.
Curb Feeler 65 8 Oct 10, 2010 #2 A tablespoon. That stuff is super potent. Might be a good idea to keep it off your skin with dish gloves. I have a gallon of it, should last me a lifetime.
A tablespoon. That stuff is super potent. Might be a good idea to keep it off your skin with dish gloves. I have a gallon of it, should last me a lifetime.
T tokinsmokin 12 1 Oct 11, 2010 #4 Are you using that to clean the buckets without plants? 1 Tablespoon for cleaning and 1 teaspoon if using with plants.
Are you using that to clean the buckets without plants? 1 Tablespoon for cleaning and 1 teaspoon if using with plants.