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Do any of the major LFS carry the 24" version of the GE 6500K? I got a new four bulb fixture coming in next week and I want try experimenting with some bulb combinations. Finding ATI bulbs is easy enough, but what about the GE? Thanks.

Does anyone have any extra Stomatella varia that I can have? I know that they can breed like rabbits, or rabbits can breed like snails since snails evolved first. Thanks!

Is there a local store carrying the ESV Seawater salt mix? My Seachem bucket is running low, so I thought that I give ESV a try. I prefer a place nearish Oakland if possible. Thanks.

I haven't read his book, but writer David Dobbs is publishing large excerpts of it on his blog about the 19th century debate over the origin of corals. The first two excerpts are already online: Reef Madness Begins: Louis Agassiz, Creationist Magpie The One Darwin Really DID Get Wrong...

Any Euphyllia experts here tell me what I have here? I long presumed that it was a hammer, but the tentacle shape doesn't look "quite right." The tips have a fatter, rounder shape than the hammers than I'm used to seeing. I'm thinking it's just a funny-looking hammer, but then I read about this...

My refractometer has trouble holding its calibration. It'll shift by a couple ppt if I accidentally bump it against something in my cramp room, or even after putting it down on the table for a moment. Arghh. I've used lab quality refractometers back when I used to work in a lab and I don't...

I have two Trochus snails that I would like to give new homes and I'll be coming to BayMAC this Saturday. Five algae-eating/pooping macines seems excessive for a 15g fishless nano, so two are up for adoption. I enjoy watching them, especially when they're on the glass where I can see their...

What is this algae? Its tissue seems pretty touch but it's not calcified, at least not significantly. There are some white spots on it, as you can see, and it adheres strongly on live rock. I got it a month ago at Green Marine when Shawn threw it in with some Trochus snails I bought, but he...

Hello everyone! I'm new to reef keeping even though I've been familiar with a lot of the marine invertebrates and their biology for many years, but only occurred to me recently to start my first reef tank. I understand that the husbandry side is a completely different beast but I've been having...

Hello everyone, Alex here in Oakland and I'm excited to find a local group. I'm new to the hobby although I'm not entirely new to the animals. I have some background in marine invertebrates but it had never occurred to me until recently to start reef keeping as a hobby. Of course, reef keeping...