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Cannot seem to find any posts on this issue , the ones I do find do not seem to have a solution.
I am running a waterfarm which has a 4 gallon res with an air stone along with a air lift top fed spraying system.
I let my water stand for 48 hours then adjust pH down to approx 5.5 - 5.7 I then add this to the WF - after a day the pH rises to 6.5 - 7 (no plants in the system, no clay pebbles etc) just a clean system. The bucket I mixed the nutrients in has not changed in pH at all and remains...
pH rising from airstone
I am running a waterfarm which has a 4 gallon res with an air stone along with a air lift top fed spraying system.
I let my water stand for 48 hours then adjust pH down to approx 5.5 - 5.7 I then add this to the WF - after a day the pH rises to 6.5 - 7 (no plants in the system, no clay pebbles etc) just a clean system. The bucket I mixed the nutrients in has not changed in pH at all and remains...
pH rising from airstone
from Hydroponics / Aeroponics https://www.rollitup.org/t/ph-rising-from-airstone.1030457/