fert.

iam using 13-13-13 how much do i add to 1 gallon of water?

it should tell you a ratio on the package. start out wit 1/4 what it says, n slowly move up about every third waterin until you start to see a lil yellowing on the leaf tips. then keep it at that for a while til they get bigger (i mean a quarter of whatever ratio the package tells you, not a quarter of a gallon btw...)

Yup - always read the package. Or call up the company for advice. Well, that's what I do anyway.

1/4 always but should tell you the full strenght amount on back on package.