homebrewer Oct 1, 2010 1/2 ounce of pure blend per gallon is safe. 1 ounce will burn, not immediately, but over time. Start with 1/2 ounce and run that for a few weeks to see how the plants like it. If they handle it well, jump up to 3/4 ounce per gallon.
1/2 ounce of pure blend per gallon is safe. 1 ounce will burn, not immediately, but over time. Start with 1/2 ounce and run that for a few weeks to see how the plants like it. If they handle it well, jump up to 3/4 ounce per gallon.