yes they are 3", but now my mom is being a big
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and wont let me get another ank, and why i needed a bigger tank is all of them in this tank are fighting and are hurting eachother. Also, my tank has been going skimmerless for 2 years plus(im new too this hobby and thought a skimmer was only used for reef tanks, plus guy i had didnt have fish for like 1 year and 9 mnonths, so lots of bad stuff in my water now). and my mom wont let me get bigger tank, she favors my other brother because he is smarter then me, thats why i cant get that big tank, she even told me so.
so thats 200$ down the shitter if i cant get my big tank. Well even iff i get a skimemr they would only live for a year at most.