Hydroponics Forums Discussions - Won't the perlite float

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Perlite

02-06-2009 11:11 PM

Won't the perlite float

Built the 11 plant system. Haven't put the perlite in yet. Won't the perlite float out of the cups as the water rises up through the cups?

Ron	02-06-2009 11:12 PM

Yes so I would use grow rocks instead of perlite. Perlite is better for the drip from the top systems.

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