Air pump for 2 sponge filters help - The Planted Tank Forum
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post #1 of 6 (permalink) Old 09-18-2019, 11:42 AM Thread Starter
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Air pump for 2 sponge filters help

I have two 2.5 gal tanks with small single sponge filters. Iím planning to get a gang valve with 2 outputs so I can adjust the flow if needed but not have it beat up the air pump.
My question is: what air pump do you recommend for me?
Also, some people do not recommend a gang valve and just using air control valves and/or bleed valves with air line connectors.
What do you recommend?
How should I set it up if I donít go with a gang valve?
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post #2 of 6 (permalink) Old 09-18-2019, 09:46 PM
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I use Tetra Whisper pumps . They are inexpensive , quiet , and have been reliable for me . I would just use a gang valve with 2 outputs .
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Last edited by Leeatl; 09-18-2019 at 09:47 PM. Reason: Correct spelling
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post #3 of 6 (permalink) Old 09-18-2019, 10:29 PM
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I run 4 sponge filters in different tanks off of a Whisper. It has 2 outputs and I just use two T's (with no adjustment). As long as the depth is the same and you use similar lengths of tubing, shouldn't need to restrict flow.

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post #4 of 6 (permalink) Old 09-18-2019, 11:59 PM
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If you need 2 outputs get a gang valve with 3 outputs. Then use 3rd output to bleed off excess air rather than valving back output of pump creating back pressure on pump which shortens life of pumps diaphragm and also make pump run noisier.
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post #5 of 6 (permalink) Old 09-22-2019, 10:01 AM
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I have one of these and it works fine.
https://www.amazon.com/Manufacturing...pplies&sr=1-30

Just put one sponge filter on each port, no valves required. The pump itself is adjustable so you can reduce the airflow by just turning the dial on the top if you need to. Pretty much any 2 port adjustable air pump should work fine though. Why hassle with valves if you don't need to? Simple is always better in my opinion!
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post #6 of 6 (permalink) Old 09-22-2019, 10:13 AM
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Quote:
Originally Posted by Leeatl View Post
I use Tetra Whisper pumps . They are inexpensive , quiet , and have been reliable for me . I would just use a gang valve with 2 outputs .
That is what I just picked up.
Both of my air pumps quit working last month, I went with the Tetra Whisper, and they are quiet and pump quite a bit of air.
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air control, air pump, gang valve, set up, sponge filter

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