On Tue, 21 Oct 2008, Clifford Miller wrote: > The price tag on that puppy kind of makes my inner cheapskate cringe...I'm > not sure I could ever force myself to take the plunge when there are so > many new kinds of plants, shrimp, and snails to investigate. The simple bottle-regulator-needle valve-diffuser setup works just fine. Some of us don't even bother with solenoids, running the thing all day. > Are you guys running these systems so the plants grow more quickly, grow > more lush/full or to sustain more delicate species that couldn't pull > through without it? All three. Mostly the latter two. A hidden fourth reason: pH control! - Erik -- Erik Olson erik at thekrib dot com _______________________________________________ GSAS-Member mailing list GSAS-Member@thekrib.com http://lists.thekrib.com/mailman/listinfo/gsas-member