My plants are about a foot and a bit talll and there doing real well, i have started using a veg juice thats an organic fertilizer...or at leats thats what it says, so i check my ph and get it just right and than i add the veg juice and check it again and its saying its less than 4....im using the liquid tester....is this making a fake read cause im not supposed to test after i use nutrients.......it wasa around 6ish before and after was saying somthing like 4....i only used like a drop or so of the ph down and my normal water ph is arounf 7.somthing....what should i do ........ am i not supposed to check ph after nutrients???? do i just check ph and than add everything after and it will all be alright???? if someone could help that would be great...thnere doing so good i dont want anything to screw up!!! HAPPY SMOKIN EVERYONE!!!