Bell, ladder, reactor, powerhead? Best for 100g? - The Planted Tank Forum
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post #1 of 3 (permalink) Old 04-20-2004, 10:28 PM Thread Starter
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I just set up a DIY co2 system for my 100g tank. I have the begining of a co2 setup, a gallon jug with tubing runnning through the lid to a powerhead. But it seems that more than half of the bubbles just rise to the top and pop. Would I be better off with diffusion bells or a reactor instead? Where do I find large diffusion bells? Does a reactor (the tube thingy with aquaballs inside it, like the Aquamedic 1000) require pressurized co2, or a cannister filter (I only have a hob filter)?
Thanks in advance!

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post #2 of 3 (permalink) Old 04-20-2004, 10:37 PM
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With a 100g tank and an HOB, you will want to use a powered reactor. IMO, this is the ONLY reasonably options. How you accomplish this can be with a DIY approach like:
...or a turn key setup like this:

Supposedly the Aqua Medic Circular CO2 Reactor (also at aquatic-store) can handle 125g tanks, but I'd trust the powered reactor first )

You cannot use anything like the aquamedic with an HOB. THis is normally run on a canister filter...although I suppose you could hook a a loop using a rio pump.
Hope this helps.
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post #3 of 3 (permalink) Old 04-21-2004, 05:23 PM
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yep, a reactor of some type. A ladder would work, but you'd have to run more CO2 since the dissolve rate isn't as high as a reactor. and ladders and bells have no extra water movement so you'd have to have a powerhead near them to distribute the CO2 rich water.
If you had an external reactor like Gomer mentions, it won't look ugly in the mine does

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