I have a couple of questions about these little pumps - I just got a pair of them for my 28g cube and I don't see them pulse (on and off) like my PP-15's. It's there an issue with them? I find it interesting that neither one pulses.
Second, are these compatible with the dual controller?
50g acrylic w/DIY external O/F box, BeanAnimal Overflow, 2X K 1050's & 1 nano on Wavemaker, wavept retro 4X39w T5HO's (2 actinic/2 12K), 2X12" mixed angle moonlights (ebay), Proflex Model 1 sump w/miracle mud, chaeto, Coralife mini 2X6w T5 (10K/Actinic) fixture, Tunze 9006 skimmer, BRS Carbon reactor, 1/10 HP chiller. Powered by a Mag 9.5 Dosing Bionic 2-part. Scripps Water
Story of My Tank: [URL]http://www.sdreefs.com/forums/showthread.php?t=77273[/URL]