AC 110 to an AC 30? - The Planted Tank Forum
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post #1 of 4 (permalink) Old 11-10-2007, 10:07 AM Thread Starter
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AC 110 to an AC 30?

I currently have an AC110 on my 29g tank. Origionally there was a gold fish in there and I wanted to make sure the tank was filtered enough. Since then the goldfish has passed and now its planted rather heavily. The fish in there now are 5 Blood Fin tetra, 2 Oto's and one Angel. Seeing how the AC110 is out gasing the CO2 right out of the tank can I switch over to the AC30 until I can get a canister filter? Or is the fish load a bit to high? I'm running 5-6 BPS on the CO2 just to keep the plants happy. SO, I'm flying through my CO2 really fast just to compensate. I also have a AC20 powerhead moving the water around. Will the AC 30 provide enough filtration? Thank you for any help.
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post #2 of 4 (permalink) Old 11-10-2007, 11:41 AM
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I had about the same situation as you in my 30gl. AC70, Topfin 30, Angelfish, SAE, 2 ottos, 8 rosie tetras.

I don't think you're stocking is too high, but like me you might end up getting a taller tank for your angelfish if your water measures around ~16" depth. My long fin is in a 24" high 65gl now, his dorsal veils were curling down pretty bad in the 30 once he started growing and the plant mass was tight, now they're fine.

I always found the AC70 to be too powerful, even if I ran it alone. But I like two HOBs over two diffusers on this tank, so I replaced it with a Red sea nano type HOB and I still use the Topfin 30, they both practically trickle at times after stuffing them with sponge and bio media. Canister would be nice and probably ideal... I'd still leave my tricklers on though for future projects

My advice would be to either transfer the AC110's media into a smaller cheapo filter to assure you don't have a mini cycle, or just stuff the intake with sponge until it slows down, and maintain it until you get the canister and can transfer the media. Keep the 110 handy for cleanup day, it's nice to hang it on the front after planting or rescaping, to polish the water up faster, I usually just run it with the sponge insert when I do that to make it go faster.

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post #3 of 4 (permalink) Old 11-10-2007, 12:12 PM Thread Starter
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I actually already have the AC 30 I also have Whisper HOB filter as well. I had those two running at first, pulled them and ran the AC 110. I blocked the out flow a bit to direct the flow down into the tank and I'm running it on the lowest setting. My CO2 indicator literally takes 6 hours to change from blue to green after turning the CO2 to 6 BPS, then it goes from green to blue in about 1/2 an hour after turning it off. The 110 is great after a water change but in the mean time its stunting the growth of my plants.
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post #4 of 4 (permalink) Old 11-10-2007, 03:41 PM
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AC50... I run an AC30 on my 10.

Rena Filtstar #137!
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