Water flow for a 20 gal - The Planted Tank Forum
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post #1 of 4 (permalink) Old 06-13-2018, 10:18 PM Thread Starter
Algae Grower
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Water flow for a 20 gal

I am going keep this post short and to the point.

In all the research I have done about water movement everyone seems to have their opinion but no real answer.

I have a aquaclear 50 on half speed and an aquaclear 30 yet I still see detritous showing up on leaves in one week. I went looking for a powerhead and feel like I might have been upsold with a "since voyager nano" with 270 gph.

Is 270gph powerhead too much for a planted 20 gal tetra tank?
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post #2 of 4 (permalink) Old 06-14-2018, 02:04 AM
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I believe it is

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post #3 of 4 (permalink) Old 06-14-2018, 03:41 AM
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Aim for somewhere around 200 gph total.
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post #4 of 4 (permalink) Old 06-14-2018, 04:57 PM Thread Starter
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Thanks for the confirmation. The store wanted some 30% restocking fee if I brought it back. I dont think I will be going to that one anymore.

And they kept assuring me I would be fine . I'm glad I didnt open it.

Last edited by Darkblade48; 06-16-2018 at 07:15 AM. Reason: Please use the edit function for back to back posts to keep threads cleaner
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