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I need some help on a design for an outdoor watering system. I have four plants in five gallon pots. I need a way to automate my water. I also need to be able to adjust pH and add ferts to the water.
As of now my plan is to get a 10 or 20 gallon barrel with a external water pump connected to the barrel with pvc. From there I want to branch out to a split 4 way. From the 4 way I want to run small black polly coil drip system.
So I need some advice on the size of pump to use and what size pvc I should run.I am open to any suggestions.