chief greenleaf
Member
im not the doc, but i have one of these systems.
as for water/nutrient level you need your water /nute level at least above the intake on your water pump. and still you should go 2 inches minimum above that level.
your plants when they get bigger are gonna use alot of the water/nutes. so if your shelf can hold it then put as much as you can as long as your water/nute line is below your sprayer heads.
as for your pump, if you are going to use a seperate rez, thats 3 feet lower you are gonna lose alot of pressure. one of my buddies went and got a new sump pump from lowes to do 4 feet. they have a chart that comes with them that lets you know how much pressure you are losing per foot of elevation
tenstrip
Good lookin out Tenstrip, I appreciate the reply man. After doin some testing on the weight limits of my shelf Ive decided against putting 30 or 40 gallons of water up there! It kinda sucks cuz I put alotta time into building the aero setup but I just cant afford ta have an upstairs bedroom flooded with that much water ya know! Im just gonna run a 2x4 ebb & flow table and put the aero ta good use later on. Ive been doin organics for years and this is gonna be my first hydro run, you think a 600 gph pump is strong enough to push the water up to the table 3 feet above it? Since im not doin aero now I know the water pressure wont be as much of an issue. I think 15-20 gallons is a sufficent amount of water for a 2x4, which will be half as much weight on the shelf if I have ta put the res up there with the table. But Id like to avoid having a large amount of water that high off the ground if I can.