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Is there a shelf life on opened pH up/down? My general hydroponics pH down is actually causing the pH to rise drastically in my solution. I did a test with just a cup of water and a few drops and I shit you not the pH down made the pH go up like 2 points. Obviously tossing the bottle, but has anyone else encountered this?
Thanks
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from Hydroponic Growing
Read more How to fix this hydroponic problem
Thanks
Sent from my iPhone using Grasscity Forum
from Hydroponic Growing
Read more How to fix this hydroponic problem