Filter Intake - The Planted Tank Forum
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post #1 of 6 (permalink) Old 03-31-2004, 11:40 PM Thread Starter
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I have an AC mini on a 25 gallon tank that's extra tall. It's 21" high. What I'm wondering is if I should buy an intake extender for the filter. Right now I'd guess it extends about 6" down in the tank. It's heavily planted so I figured it would be fine the way it is, do you think excess stuff will build up?

Also what could I use to paint the intake black? I'm wondering if it's possible. Thanks in advance.
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post #2 of 6 (permalink) Old 04-01-2004, 05:02 AM
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If your substrate isn't too high, then I would suggest getting two extensions to increase your circulation towards the bottom of your tank. In fact, for a 25gal I would also suggest getting another Mini (with similar extensions) for better all-round circulation. Watch the outflow and make sure to check the intake tubes and filter media for debris build-up every week or two. If you let algae build up inside the intake tubes, but not so much to block water flow, the tubes will darken over time and you'll be getting more bio-filtration as well. Hope that helps...
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post #3 of 6 (permalink) Old 04-01-2004, 06:54 PM Thread Starter
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Thanks for the tips. I have considered adding another filter but I think I'll be fine as long as I keep fish load low to moderate. So you think there will be definite benefits if I extend the intake lower into the tank?
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post #4 of 6 (permalink) Old 04-01-2004, 08:18 PM
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I use an Aquaclear mini on my 22 gallon tank with no problems. Its pushing it though. I have an Aquaclear 150 on a 32 Gallon tank that I will be replacing shortly with a 300, so I will shuffle it down to the 22 gallon.. heh.

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post #5 of 6 (permalink) Old 04-02-2004, 04:30 AM
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Hi Capt,
In a planted tank, circulation of nutrients, waste products and fresh water is an important factor in the overall health of your little eco-system. People often use powerheads to increase circulation, however, if you have a lot of dissolved organics, chemicals, and debris to filter out of your water column, then an extra filter, whether it's another power filter like the Mini or a larger cannister filter will provide both the movement and the clean-up. People have reported that inadequate circulation can be lethal to both plants and animal inhabitants from the build-up of excessive waste products and even nutrients within the confines of a tank. I think the last time I checked, the Mini (with the extra extension) is way cheaper than a powerhead or the cheapest cannister. Hope that helps.
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post #6 of 6 (permalink) Old 04-02-2004, 04:51 PM
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I'm having issues with BGA in a 20gallon that has an AC mini on it. I've added an AC 150 in tandem to see if that helps. the fish only has 3 ottos, 3 blue rams, 4 corys, and 3 rummy tetra...

the mini just doesn't provide much current...supposedly the likely cause of BGA outbreaks.
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