rhizome has it covered.

I would suggest you "don't" premix for many reasons.

I have all my nutes and other goodies lined up and I mix in 1gal water/milk jugs then use immediately.

You'll be fine, you have friends at cannibis.com :thumbsup:
Duke420 Reviewed by Duke420 on . problem Hi, ok my 2 plants are now about 25inches tall and i have put them into 12/12 lighting 4 days ago. I have been fertilizing correctly according to all the guides but recently when i watered i accidentally used my premixed fertalizer water instead of plain water. THat mean that i accidentally fertilized 2 days in a row. Well that was 2 days ago now and the really big bushy plants leaves are browning and curling under themselves. The other plant is green still but all the leaves are starting to Rating: 5