EC Pen Juice
Learnt something. Needs a bit more time to verify the effect. It would seem that replacing the battery of the EC Pen has given me a more reliable EC measure. Readings are instant and the mode has remained the same through out the measure.
In order to coax the lettuce into a healthy and prosperous size for the coming Niu Year, I have extended the lights off time from 10 to 1030pm.
DATA
EC1374
pH5.53
WT30
Water level: at mid level.
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