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Discussion Starter · #1 · (Edited)
Hi!

I'm putting together a 29 gallon tank at work to hold the guppies, mystery snails & shrimp we use for our kindergarten live sciences curriculum. I'm very excited to be upgrading from a 29 and 4 10 gallon tanks, to 2 29 gallon tanks and a 20 long (oops, just got a text -- it might actually be 3 29 gallon tanks, instead)! The tanks will have a high bioload with the quantity of livestock so I prefer to over filter -- and I also have a forest of crypts, a solid covering of frogbit, and (unfortunately for my aesthetic sensibilities) duckweed. There is also a grass plant in there, called cyperus helfari (I think, lol). I'm going to include a picture of my current 20 long. It has my personal internal filter that I'll be keeping at home, but everything else -- gravel, plants and livestock will all move to a 29 at work. The other new tank (29 or 20) will get some of those plants, and some from other tanks. I'll also be taking the wood out to raise the pH so my snails will do better in there I think.

My question is, what is the best air pump for the sponge filters I'm planning to have work purchase? My plan was 2 sponge filters rated for "up to 55 gallons" each in each tank. Should I have an air pump for each one, or one air pump for both? What size? How would the Tetra Whisper 60 do? I have half a dozen smaller whispers & similar air pumps, but as work is offering to spend a little money (very little -- I bought the tank(s) on FB marketplace & am donating it) I thought I should use the opportunity to buy a newer airpump or two that isn't going to die at any moment...

Thanks!
 

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I can't answer your specific question about the air pumps, but I can offer the suggestion of using powerheads instead of air pumps and stones. I much prefer that configuration. It's typically less maintenance than an air pump/stone setup, though you do still have to clean the sponge. As a benefit of using the powerhead, it's definitely much quieter and you can use the outflow to help with the circulation in the tank. I've personally never had a powerhead fail, though I'm sure it happens, but I have had plenty of air pumps die.
 

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Discussion Starter · #3 ·
I can't answer your specific question about the air pumps, but I can offer the suggestion of using powerheads instead of air pumps and stones. I much prefer that configuration. It's typically less maintenance than an air pump/stone setup, though you do still have to clean the sponge. As a benefit of using the powerhead, it's definitely much quieter and you can use the outflow to help with the circulation in the tank. I've personally never had a powerhead fail, though I'm sure it happens, but I have had plenty of air pumps die.
Hmmm...intruiging idea! Now I need to look up powerhead options! If you have any specific, modest costing brands, feel free to share. :grin2:

Thanks!
 
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