How much water in reservoir?

paloooza

paloooza

Active Member
I have an ebb and flow system that has a 20 gallon reservoir and a tray that will hold 4 plants. Is there a formula I use to calculate how much water to use in the reservoir to feed only 4 plants? For example, 1 gallon per plant ...
 
F

Fman

Well-Known Member
I seem to remember reading in one of Al B's posts minimum of 5/liters per plant. Im using that and dont seem to have much trouble. But the bigger the tank the less often you will need to clean and change nutes.
 
paloooza

paloooza

Active Member
Fman said:
I seem to remember reading in one of Al B's posts minimum of 5/liters per plant. Im using that and dont seem to have much trouble. But the bigger the tank the less often you will need to clean and change nutes.
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Thank you ... that's gives me a place to start.
 
S

SlikWiLL13

Well-Known Member
its real simple, theres no math or conversion charts or any of that shit. you need enough nute solution in the rez to fill your flood table to your desired depth and still have enough in the rez so your pump wont run dry.

my 3x3 tray uses a 25 gallon rez
 
paloooza

paloooza

Active Member
SlikWiLL13 said:
its real simple, theres no math or conversion charts or any of that shit. you need enough nute solution in the rez to fill your flood table to your desired depth and still have enough in the rez so your pump wont run dry.

my 3x3 tray uses a 25 gallon rez
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Ok ... that raises another question ... if my reservoir has more water than my tray will hold, what keeps the tray from over filling? Do I just run the system just long enough to fill the tray?

Thanks.
 
S

SlikWiLL13

Well-Known Member
i have a stand pipe or overflow tube. it sits right next to the fill fitting and is as tall as i want my tray to fill up. water fill the tray from the first fitting and when the tray fills to the desired height the solution spills into the rez below.

otherwise get a digital timer and time your pump to see how long it take to fill and set it to that time.
 
paloooza

paloooza

Active Member
SlikWiLL13 said:
i have a stand pipe or overflow tube. it sits right next to the fill fitting and is as tall as i want my tray to fill up. water fill the tray from the first fitting and when the tray fills to the desired height the solution spills into the rez below.

otherwise get a digital timer and time your pump to see how long it take to fill and set it to that time.
Click to expand...
Great! Thanks.
 
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