All IMHO
You need to spend some time looking at successful grows here and see what is being done. I dont give a plant water until the pot is light and I mean light, this will be right before it is drought stressed. This avoids the far worse stress of over watering. If you look around you will see most 3 gallon pots are only getting water at a rate of about 1-2 liter a day in full flower ( watered only every two to four days ). Overwatering is caused more by giving water TOO OFTEN not too much.
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