Too much flow restriction on a 2213? - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 07-10-2017, 02:00 PM Thread Starter
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Too much flow restriction on a 2213?

20H running an Eheim 2213...

Built a PVC CO2 reactor, Griggs style, that sits inside the stand, with the output of filter going to the top input of the reactor, output of reactor to the spray bar. (so the Eheim is lifting about 3.5 feet to the rim of tank)

Been wanting to get my heater out of the tank for a while, and was thinking of putting a DIY inline heater on the return of the reactor, or possibly on the siphon side of the filter.

You think this is going to restrict the flow too much on the 2213? or should I do it as a separate siphon/return on it's own small pump, sizing the pump to get enough flow. (One benefit would be I could turn it into a water polisher as well). Trying to keep as much as possible inside the stand, not visible in-tank, so I want to avoid a powerhead in the tank (a small siphon tube with a piece of sponge I could hide easier).
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post #2 of 5 (permalink) Old 07-10-2017, 02:19 PM
nel
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I have a similar setup on eheim 2028 - sera reactor 1000 and hydor inline heater. Everything works fine, flow is restricted a bit, but nothing horrible. The important part in this is having as small number of elbows as possible and the shortest horizontal tubing you can get. Try to make everything vertical and you're safe to go. What's the size of the tank?


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post #3 of 5 (permalink) Old 07-10-2017, 02:25 PM Thread Starter
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Quote:
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What's the size of the tank?
20 High - the only hard elbows right now are the top and bottom of the reactor.
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post #4 of 5 (permalink) Old 07-10-2017, 02:38 PM
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It's rated for 440l/h, so it would filter your tank volume 6 times in an hour. Mine is rated for 3 times the volume of my tank and it works fine with those restrictions. I've added a power head (another 3 times per hour), after my tank became overcrowded with plants, but it probably could go without it.
I would say you're fine to go :-)


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post #5 of 5 (permalink) Old 07-10-2017, 03:11 PM Thread Starter
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Quote:
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It's rated for 440l/h, so it would filter your tank volume 6 times in an hour.
Well - that's at 0 height I believe, not tank rim. The reason I am questioning the flow is that my plants are filling in, so I am wondering if having the extra circulation would be beneficial.
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