How long can mixed nutrients sit for?

Renfro

Well-Known Member
I'm actually curious myself, popped this question into Google and found this thread, surprised its still getting posts lol.
I am running Current Culture so my notes are sterile, and I'm considering pre mixing my nutes a week early, and using that rez to top off but I want make sure they can sit no issues that long. Of course I will have a water pump to circulate and mix, and possibly an air stone (even though my air pump is on the other side of the room‍♂)
It depends on whats in the mix. Most non organic nutrients are fine mixed for extended periods. Beneficial bacteria, they don't do so well for long periods.
 

Renfro

Well-Known Member
Can you elaborate a bit? Do they become bad and/or can cause issues? or just no longer active and useful?
Thank you
they generally die after extended periods in salty water. This is why most bennies say to add more every 2 or 3 days if you are running a recirculating setup and haven't dumped nutes.
 
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