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Old 03-07-2011, 05:36 AM   #16 (permalink)
killacross
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Default Re: Automatic water change system design DIY

the simplest fert system i have seen is a friend uses a horizontal autofeeder

he modified it slightly so that each compartment has a small hinged false bottom...and its a smaller tank (like 30 gals I think)

as it rotates, the bottom falls out and drops macros and trace daily...surprisingly, he doesnt have problems with humidity
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