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Old 03-07-2011, 05:45 AM   #17 (permalink)
Zapins
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Default Re: Automatic water change system design DIY

That sounds interesting! I was thinking of something like that as well a few months ago but using one of those electric salt grinders. I figured that humidity would cause the dry ferts to clump and they would need grinding to be dosed correctly. I bought one for 7 bucks off ebay but I never got around to wiring it up. But if humidity isn't a problem then autofeeders would be a great choice. I've got some lying around as well, I might put them to the test.

I think dosing dry ferts is the best idea for fertilizer dosing since liquid dosing allows the chemicals to spoil with whatever bacteria or fungus happens to like to eat them.

Do you think you could get some pics of the modifications he made to the feeder?
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