Glass difusser and bps - The Planted Tank Forum
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post #1 of 4 (permalink) Old 03-21-2007, 05:26 AM Thread Starter
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Glass difusser and bps

My question is: to improve performance or co2 levels using a glass diffuser is it better to have low bps so the bubbles coming out of the diffuser are smaller and dissolve better? or would my co2 level will increase if I just increase bps even though bubbles are bigger and pretty much go straight to the surface?


BTW I'm using a rhinox 5000 with about 4 bps and a power head above (almost at the surface) pushing those bubbles around the tank.
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post #2 of 4 (permalink) Old 03-21-2007, 10:32 AM
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If you increase the bps and tweak the powerhead position so it blows toward the bottom of the tank ,you should see an increase in co2ppm.
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post #3 of 4 (permalink) Old 03-21-2007, 12:53 PM
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I would reposition it height wise in the tank first to see if that helps it, you wanna try and keep it about half way up the tank. The deeper in the tank the more pressure there is forcing the bubble back together.

If you have the diffuser in the back of the tank try putting a sponge on the powerhead and then position it directly in the upstream path of the diffuser so it suckes up the bubbles. Doing so would have the powerhead chop up the bubbles and spread it throughout the tank.

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post #4 of 4 (permalink) Old 03-21-2007, 11:17 PM Thread Starter
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if I put a sponge, wouldn't the sponge prevent the bigger bubbles form going into the ph impeller?

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