ceramic diffuser for specV pump chamber - The Planted Tank Forum
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post #1 of 5 (permalink) Old 07-07-2015, 05:17 PM Thread Starter
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ceramic diffuser for specV pump chamber

Looking for a good ceramic co2 diffuser that will fit in the specV pump chamber along with the heater. I was thinking I could fit this one in there but the reviews aren't that great, anyone used this or have a better recommendation?

U.P. Aqua Super Atomizer (small)
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post #2 of 5 (permalink) Old 07-08-2015, 07:54 PM
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I've had an aqueon heater and a fluval defuser in my back chamber of the spec 3, has worked well and inexpensive. Its such a tiny tank it takes so little co2 to get it to a high level.
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post #3 of 5 (permalink) Old 07-08-2015, 08:38 PM
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Wow its so funny you're asking because I was just looking for one myself. I needed to order ferts so I ordered the smallest ceramic one from Greenleaf Aquariums...


Still setting up my Spec V but i thought id give this a go....I dont know if it will fit for sure but at 50mm i think it will.
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post #4 of 5 (permalink) Old 07-09-2015, 01:21 AM
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You can fit the diffuser but no heater. That diffuser takes up almost the whole chamber above the pump. The spec 3is different since the pump chamber is larger, which is why they both fit. You also still get the soda water with that diffuser, even at 1 bubble per 2 seconds.

*edit* saw UP diffuser and thought it was the inline one. My comments are only about the inline, I don't know if the one linked will fit, or how well it will diffuse into the actual tank. If you put it above the pump, it may not reach the rest of the tank properly as water doesn't circulate much above it. If you put it under the spounge, the bubbles will go up to the filter media, and I believe co2 is bad for the good bacteria.
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post #5 of 5 (permalink) Old 07-11-2015, 04:11 AM Thread Starter
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Stopped by the LFS and got an up-aqua G-025s diffuser same as the amazon one but plastic instead of acrylic. It easily fits in the pump chamber with stock pump and a 25w heater. I had cut a small hole in the top of the return tube to circulate water around the heater and this helped slow the rise of the bubbles. Should get better saturation than with the old airstone.


Last edited by r0ck0; 07-11-2015 at 06:53 PM. Reason: edit
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