You are correct it is not yet time to use the fish stuff.
What was the mix ratio you used of superthrive?
ST has a LOT of nitrogen in it, and the shape of those leaves indicates N overdose.
WH is right, a transplant into nice fresh soil would do wonders for that plant. Allow it to get a bit on the dry side and it shoudl slide right out of the pot without too much disturbance to the roots.
stinkyattic Reviewed by stinkyattic on . Step Right Up and Diagnose Me!!! Hello, I'm a farely new grower and im having some problems with my plant, as you can tell. The problem all started when i fed the plants with 6-12-6 miracle grow plant food when they were barely a month old. Now at about a month and a half they are beginning to look better, but still not good. After noticing that i nuke burned my plant i flushed it once to help get rid of the extra fertilizer and have been watering the plant with water and diluted superthrive. I held back on flushing it again, Rating: 5