Originally Posted by
Farmer Geddon
According to their site, GH 3 part lasts indefinitely if stored correctly. My Micro went bad after 5 or 6 years.
imo the Micro reacts to light. I decanted some Micro into a Kilner jar and kept it in a kitchen cupboard. It's got white stuff growing on the top of it. Light from when the cupboard door is open?
I bought fresh Micro and Bloom and the plants are healthier. I've got ~7L of old Bloom so I've started using the old Bloom recently to see how it does. So far so good.
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