View Full Version : rockwool soak & foxfarm grow big

03-24-2008, 11:47 AM
i'm using rockwool soak 14-6-13 in a three gallon hydroponic system. i have foxfarm grow big 6-4-4. i'm not sure which is the right one to use.!? should i use both together or should i drain the system and start over with ether one.? which one of these to use.? the plants seem to be doing fine so far using the soak. help me.! i dont want to burn these plants and have to start over.!

03-24-2008, 03:26 PM
Use one or the other, and follow the directions