tank size

I've always wondered what manufactures really mean when they give dosing instructions based on "gallons." For example, Korallen-Zucht and Red Sea give dosing instructions for their additives in terms of X ml or X drops per 25 gallons. Gallons of what? Is it based on the rated tank size (my...

Friendly reminder. I am seeing frequent suggestions of fish totally inappropriate for tanks due to their size. So before you post, look back to see size of OP’s tank. If it is not listed - ask for it. I’ve seen this happen at lot lately. Often seeing inappropriate fish for tanks that are only...

hi might be a stupid question (and poll), but i would like your opinions on tank size/volume. i'm considering taking 2 identical tanks, whether it be 3x2x2 or the 4x2x2 and using one as a the display tank, and the other as the custom sump. i originally wanted to look at a 3x2x2f (85G) /...

So I'm waiting to buy a house in southern New Hampshire as soon as something decent shows up on the market. Anyway, I am making preparations to upgrade my 15 gallon nano to a real tank. I am trying to get most of the equipment together for the tank so I can set it up to make a smooth transition...

Essentially I'm thinking of a upgraded tank and would a naso tang or sailfin tang be happy in a 6" 2" 2" foot tank with light rockwork

So I did a dumb thing, I got a baby cowfish. I knew some info about them. I came a cross a tiny probably 1.5 or 2 inch long in a fish store and basically I got emotionally attached to it at the store and did an impulse buy. I currently have 2 small clown fish, 2 firefish, one cleaner shrimp...

Hi guys I thought I would ask the nice people from R2R before pulling the trigger on this one, I'm probably blinded by how nice the new tank looks. I got a nice chance to swap my 4 feet 75g by a 3 feet 75 gallon, and the reason why I'm considering that is because I dislike my current sump setup...

I had a dragonet when I first started the hobby in a 30 gallon tank. It was my first fishkeeping mistake. It was no where near established, so the dragonet eat for a few weeks and I could tell it wasn’t going as good as it could have, so I gave it to a friend who had a good copepod population...

Hello all! I think I know the answer to this,.. BUT! Years ago, back in the 2000's when I first got into this hobby many places would recommend a minimum of a 55 gallon for a powder blue. I had one in my 180 SPS reef for years, and it is my favorite fish ever. These days I only have a 75G...

So I'm trying to decide whether my next tank should be a 75 gallon or a 90 gallon. I've had a 75 gallon before, so I'm very familiar with its dimensions and ease of care. I'm also limited to a 4-foot tank due to the space limitations in my current home. I am interested in the 90 gallon due to...