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I have a 30 gallon tank, with about 30-35 lbs of live rock and a sand bottom. There's a small power head installed toward the bottom of the tank, plus a HOB filter and a protein skimmer. All of my water parmeters seem to test pretty ok with a liquid test kit (only the nitrates are ever a little...

I have just acquired a couple of seahorses. Tank = 30 gallons, with 55 gallon filter, 20 gallon powerhead, HOB protein skimmer. Tankmates = Cardinal; Blenny. They've been in there for a little over a week, and they seem to be doing great (1x per day). They eat frozen mysis shrimp every...

I just added a protein skimmer, and improved the water circulation around my tank. Now, there are bubbles all over the place; like the kind you see in aglass of soda. They are clustered around the pump and the intake for the protein skimmer, but I also see them on the floor of the aquarium...

I have a half-black angel fish that has clearly contracted ich. My question is about how the disease progresses, and what the prognosis is. The fish initially showed 1 or 2 spots, about a week ago. They were gone a day later, and the fish never acted sick at all. Yesterday morning, I saw the...

I have a 29-gallon reef tank, with a filter that is rated for a 50-gallon tank. I have some corals in the tank, which seem to be doing ok so far, but they have only been in for a couple of weeks. My understanding is that the corals I have don't require a particularly high level of water...

Now that I have an actual reef tank, with lots of stacked-up live rock, and corals perched all over the place, spreading quietly, a thought occurs: What am I supposed to do when a fish dies among the rocks and stuff? Moving all of that is going to be a nightmare; and probably bad for the...

and already, I think I have a problem. for reasons that I cannot understand yet, my Nitrates seem to have spiked pretty badly. Some dead snails in my live rock, maybe? Anyway, I put some polyps in, along with a green finger leather (I think I have the names right). The polyps seem ok -- bright...

I have some funny, white, crusty things growing on my tank recently. They're small and sort of spiral-shaped. They started growing on my live rock, but they also seem to be popping up on the glass of the tank. They spread pretty quickly. Does anyone know what they are? Should I just scrape them...

Hi, all. I have a 30 gallon FOWLR, with about 40-50 lbs of live rock, and sand on the bottom. I have 1 half-black angel, 1 strawberry basslet, 1 firefish, and 1 striped blenny. the tank has been up and running for about a year. The filter is rated for a 50 gallon tank. I don't have a sump. If...