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Is it ok if my powerheads suck air a little during water changes? I saw an experienced friend of mine do a water change and just let his powerheads suck air and blow bubbles all over while he did the water change. Does this hurt the powerheads or the fish/corals? Or does it just sound bad?

An building a seahorse tank and have feeding questions. I read about feeding troughs and tubes and even feeding via a clump of cheato. How do u guys recommend doing it? I'd prefer not to have to get wet at feeding time. Some tank specifics: Here are a few pics of the tank so far. No water...

I am designing a new system, a 29 gallon with a 10 gallon sump and need to find a skimmer that would work well. One with a small footprint that only needs like 6-8 inches of water level I assume? Any help would be great!

Want to set up a 2nd tank for seahorses. I will do species only with live rock and maybe some compatible livestock but key is the sea horses. My questions: 1) I want a 30 gallon or bigger for water stability but it seems seahorses like tall tanks (like hex tanks) is this true? What shape tanks...

Have a 90 gallon that has been set up for about 2-3 months. I have 2 clown fish, 2 fire fish, diamond watchman goby, royal gramma and a lamarcks angelfish, 2 peppermint shrimp, 2 cleaner shrimp, a coral banded shrimp, and misc snails/crabs. 0 ammonia, 0 nitrite, 0 nitrate. I have a sump with...

Ok, so my diamond goby found himself a home (burrowed a tunnel under on of the rocks) but I noticed at night that his borrow was glowing from the lights under the tank on the sump. This seemed unnatural for him so I taped cardboard to the bottom of the glass under the tank to block the light...

What is this fish?

Would like a sump skimmer that will work with a mores than normal fish count and fits in a 9x11 footprint... Any suggestions? Brands to look out for? Etc

What about a 60 gallon hob filter with carbon? It says it eliminates ammonia...

Just got to small schooling bannerfish, when should I start feeding them?

Hat kind of fish is deb/flo from the movie finding nemo?

Have a cheesy home depot light fixture and bulbs right now with a fowlr setup. I want corals but I do NOT want to pay $100 per month for power. I would like some advice. I have a 90 gallon tank with 20 gallon sump and honestly would rather pay a bit more upfront and pay less per month in case I...

I said filtered and i mean cycled.. Noob!!! Lol, I can't edit the title... anyways.. Am setting up a QT tank for fish I ordered and the cycled media I had lined up won't work. So now what do I do? I have 2 schooling bannerfish coming Friday. 15 gallon qt Tank is set up with hob aqueon filter...

Sorry if this sounds stupid, I'm just asking... I want an anemone but don't want the high power bill and expensive light for the entire tank when I want just one anemone.. Do the make a "spot" light or something like that to just shine on him?

What is this?

Ok.. I have seen this a bit and it confuses me.. Why have live rock in the Refugium when it will fit in the DT? Any reason besides cosmetic?

Ok, I am stumped.. If my water parameters are next to perfect (0 amonia, 0 nitrites, 0 nitrates) then how often do I need water changes? I test the water and it kinda amazes me that the water is doing so well.. But I do have alot of live rock... Anyways, how often should I water change if all...

Really like butterflyfish and banner fish but am having a hard time figuring out which to buy.. My favorites are Auriga Butterflyfish, raccoon butterflyfish, schooling banner fish, longfin banner fish, etc.. Pretty much all colorful banner fish and butterflyfish.. I have a 90 gallon fowlr and...

Woke up this morning to this..

K, I have a quarantine tank that I have fish in waiting quarantine time.. When that time is up, is it ok to empty the Q tank and leave it empty? Will it cycle the next time I add fish to it?

Hae a diatom outbreak.. The tank is new so I a hearing this is normal and it will pass once they use up all the silicates... Question is, can I speed this up by adding more light? The faster they grow the faster it will go away? Or is there a drawback to this idea?

Originally wanted a reef tank but there are so many fish i like that are not reef safe.. If I decide not to do reef I can still keep my shrimps right? What about stuff like sea stars?

Just baught some shrimp and I find a "skin" in the tank. At first I think one of them died, but all are accounted for..

K, I bought a 90 gallon with a stand and had it all set up.. Even had it drilled for a sump. It was almost done cycling then...... I realize that the way the stand is designed, I cant get my sump under the tank without emptying the tank!!! Craaaap. Now I have to empty the tank, put the sump...

Have a 90 gallon tank that has no hob filter or overflow setup on it (it is piped for overflow/sump, just don't have one yet). I have a small hob filter that clears up all the particles that float on the surface if I put it on the tank but I am told not to use it.. So is this ugly stuff on the...