Yes.
When you add your nutrients, especially if you are using more than one type of fert at ta time in your mix, use it right away.
stinkyattic Reviewed by stinkyattic on . Stagnant Water..? Is it bad to let my water, prepared with nutirents, to sit for long periods of time? Should I slimply stir it or get a aquarium bubbler to mix it up when i water my plants or should I never let my water sit at all? Gr3at:jointsmile: Rating: 5