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I'm trying to upgrade my lighting setup for my 5.5 gallon reef aquarium in order to promote more rapid coral growth. I was curious if a par38 lamp would be ok for such a small tank, or if there are some other options I should look into. Here is the model I'm thinking about purchasing right now...

My yellow star polyp that I bought two days ago has a really nasty brown coloration right now. It was brilliantly yellow at the store, what could have caused this? Is it just acclimating or is something wrong?

These tiny white mushroom-looking things have started growing in various places around my liverock. Does anybody know what they might be?

How developed do the fry or eggs of German blue rams have to be before I can separate them from their parents? Today my pair laid a ton of eggs on an amazon sword leaf in my 55 gallon community tank and I want to get the offspring out of there as soon as possible so they don't get eaten by other...

I recently had a massive outbreak of hair algae in my 5.5 gallon reef. Any suggestions on how to get rid of it? Photoperiod - 8 hours pH - 8.0 Temp - 77 F Nitrates - 0 ppm Nitrites - 0 ppm Salinity - 1.021 Also the only additional nutrients it would be getting is from the occasional shrimp...

Two questions: 1.) I've noticed that there's been an explosion in the population of copepods and amphipods in my 5 gallon reef tank to the point where the water almost looks dirty because of all of them floating around. Are there any pico tank organisms I could add to reduce this? I wasn't sure...

A single nassarius snail is currently the only inhabitant of my new 5 gallon tank except for 2 coral frags. Do I need to supplement his diet with some extra food or will he just pick off what he needs from my live rock? I have a pretty sizable population of amphipods so I was wondering if those...

Is this acropora or montipora? I'm having trouble telling the difference.

I've had my 5 gallon cycling with liverock for about 9 days now and have even been adding several chunks of brine shrimp in to get it started, yet for some reason my ammonia hasn't spiked whatsoever. As well as this, both my nitrates and nitrites have remained at zero. At first I even suspected...

What are some ways I could speed up the nitrogen cycle in my 5.5 gallon? I already have more than enough liverock and a bed of livesand in place. I've heard of adding flake food or pieces of shrimp to feed the bacteria with the ammonia they create, are methods like these reliable? Not trying to...

So I finally began setting up my 5.5 gallon tank today, and it looks like this guy was hiding out in some of the liverock I bought. Anybody know what it is? And is there any chance it'll survive through cycling?

Do I need to have a lighting system in place to cycle my tank? I ordered my light a few days ago and it should be here long before I start adding anything but I was wondering if it's truly necessary for cultivating beneficial bacteria.

I'm looking for a filter for a 5.5 gallon reef I'm setting up. Since liverock will handle most of the chemical and biological filtration, its main purpose will simply be to remove any waste from the water and to generate flow in the aquarium (I'd like to avoid crowding the tank with a power head...

Would this light be powerful enough to grow soft corals in a 5.5? WavePoint Micro Sun LED High Output Clamp Light 10,000k Daylight Aquarium LED Light Fixtures

I have six nerite snails in my 55 gallon planted tank to help with algae control, and they recently started laying dozens of eggs in my driftwood. Is there anyway to remove effectively these eggs without having to take out the driftwood (which would be impossible because its so large and overgrown)?

What would my light wattage need to be in order to grow low light corals in a 5.5 gallon? Also, do corals require a moonlight to grow properly?

Is a 25 watt bulb enough to grow dwarf baby tears in my 5.5 gallon tank? Also, what kind of substrate would be best suited for this plant?

I've decided to revamp my old 5.5 gallon and turn it into a planted crustacean cove. I also have a 55 gallon tank with near perfect water parameters. Is it possible to cycle the smaller tank using a few gallons of water from the 55 gallon to build up bacteria?

I've had an empty 5.5 gallon aquarium sitting around my house for a while, and since my only experience so far has been with freshwater, I was curious how difficult it would be to establish a small coral reef and possibly a crustacean cove in that tank (since I realize this is too small for most...

I have a 55 gallon tank with a 108 watt fixture. The substrate is about 60% gravel, 20% onyx sand, and 20% flourite. My water parameters are all normal, pH of 7, minimal nitrites and nitrates, and a temperature usually around 79 degrees. It's is already pretty heavily planted and stocked, but...

A few weeks ago I purchased 2 young angelfish for my 55 gallon aquarium and they acclimated fairly quickly, establishing their territory in a heavily vegetated spot and eating ravenously. However, they now seem somewhat timid about coming to the top and eating, often completely ignoring feeding...

I have a 55 gallon planted tank that has recently had a minor algae breakout. At the moment it isn't too bad - just a thin coat of it over some of the walls, the driftwood, and a few plants - but I'd like to stop it before it spreads any further. Right now I'm deciding between purchasing either...

I recently purchased a few specimen of cardinal plants from petsmart to act as the foreground for my newly established 55 gallon planted tank. However, all attempts at researching the plant through the internet have thus far been somewhat inconclusive concerning its requirements and growth (some...