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Thought I'd finally share my tank. Tank size: 90 gallon Sump: Its 3 feet long and a foot wide and filled up about halfway to the top 6-8" return pump: Fluval, it works great, have to dial it back with a valve since it is very strong. Lights: 2 X 250 Watt MH and 4 X 54 watt T5 Protein skimmer...

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Will strong magnets, like the ones used to hold up a frag racks and other equipment, damage sensitive electrical equipment kept in you tank stand like Apex controllers, ph probes, temp probes, DI resin, if they are placed next to each other? These are the magnets I am using in my sump where I...

1 out of 5 stars. I ran out of Hikari marine s pellets. Decided to try something new, less messy, so I ordered Eheim "all fish Granules Marine S" from Marine Depot. It comes in a sizable container compared to Hikari at 5.3 oz., the price was 10.99. So more product for less money. The bottom...

When I touch it, it does not retract like a zoa. It also grows faster than zoos and can take high flow/reduced lighting.

What are those three type of zoas on the clear plugs?

Im Starting a new 90g. sps dominant and some lps at the bottom. I currently have a crappy 75 that is not drilled, (therefore no sump). I've bought the 90g glass tank, the stand, canopy, and lights. My current shopping list choices are Protein Skimmer (for a 90g tank w/30g sump) Super Reef...

Can anyone please ID these zoas I bought not too long ago? (the zoas on the left)

Just thought I would share an interesting reef video. Lots of fish that we like to keep are in it! I did not make this video. http://www.youtube.com/watch?v=CC1rOgDttRo http://www.youtube.com/watch?v=CC1rOgDttRo :sparta-lol:

So my BTA from CR member fredfish13 split.:semi-twins:It took a few months and lots of feeding. I stopped feeding for the past month and then last week I started up again and now it split. I came home to find the mouth stretched out about 8 inches and you could see through the nem to the rock...

Every time I search "sps", "frags", or other reef related terminology on craigslist-chicago I run into an all caps ad for a vendor who includes the following info tucked into his ad which contains pics of really nice coral "DK Unique Coral and Fish Sales where everyone gets instant 10 percent...

I really need ChicagoReefs help. What coral is this? I bought it from a LFS way back but I'm not sure anymore. These four photos are of the same exact colony, the fourth is merely a frag. Everybody's opinion counts here, I have no clue. I not going to say what the LFS told me this thing was...

Before the Great CR Crash of 2014 I had a post on my purple sea urchin, share pics, stories, or advice of your sea urchin here...

I see people selling RBTA's on here all the time, online sites, craigslist ads, what is the way to measure them considering that they deflate and expand depending on lighting and other factors that we barely seem to understand. When I got mine it doubled in size from the previous owner. Should...