cover for 60 gal acrylic?
I am starting up a planted 60 gallon acrylic tank. As most acrylic tanks do, it has 3 large holes in the top (visual aid: this isn't my tank, but the top is kinda similar: http://www.myfishtank.com/ProductImage.aspx?ID=15).
My previous tank was glass and had a full hood assembly on top. I'm kind of uncomfortable having the top on the new top open like that. Won't I lose water to evaporation? Won't my apartment start to smell like the LFS? And won't I have to worry about my fish jumping? :shock: So I'd like to have to have a lid for it. I've read that acrylic isn't suitable, as it will warp under it's own weight. I'm worried that a piece of glass that size might be really heavy to lay on top.
Do other people put lids on their acrylic tanks? If so, what kind?
Well, first off unless you have an air tight lid and air tight filters and never open either you're going to lose water to evaporation, there's not getting around it. In that situation you'd eventually suffocate the fish as well. A well fit lid will help cut down on evaporation though which is just one benefit.
As for the smell, a well maintained tank isn't likely to smell that bad. Remember, the tanks at the LFS are horrifically overcrowded and there are usually more than a few dead fish present as well. I had an uncovered tank in my office for several months and never smelled a thing.
There are benefits to a cover, less evaporation, no suicidal jumps for freedom from your fish, and no real draw backs. I'd recommend getting one but its no the end of the world if you don't.
Thanks for your reply, Tyyrlym. Good point about the smell. I don't expect to completely halt evaporation in my tank, but I do think that when 50% of the top is open, the rate of evaporation is significantly higher than when you have a lid. For example - since I filled this tank, when I arrive home in the evenings the windows are fogged in the inside of my living room. Must be pretty humid in here.
Do people recommend glass for a cover? Seems to me like if acrylic warps under it's own weight, putting a heavy sheet of glass on top would not be good for the material of the tank.
A glass top doesn't weigh that much. It's not terribly thick. I honestly don't think the material matters myself, I just know that I've only seen glass ones sold.
what are the dimensions of your tank?
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