Needle Wheel nano Waterpump - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 11-30-2011, 10:34 PM Thread Starter
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Needle Wheel nano Waterpump

Yes, I too am looking for a suitable and economical c02 diffuser for a nano tank with a DIY co2 system. After having some experience with reef tanks and protein skimmers, I'm wondering if there might be a tiny needle wheel water pump suitable for use as a co2 diffuser in a planted aquarium. Or perhaps a needle wheel mod for a tiny powerhead or internal filter.
I'm tired of breaking those cheap glass ones from ebay and don't like the look of the fluval diffuser or ladder.
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post #2 of 8 (permalink) Old 11-30-2011, 11:46 PM Thread Starter
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By the way, I did notice an airline fits snugly on any spraybar nipple on a stock Fluval mini filter included with the Ebi. I'm experimenting with placement, tilt and flow adjustments. Seems promising.
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post #3 of 8 (permalink) Old 12-01-2011, 12:52 AM Thread Starter
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Fluval Ebi/Floral tank owners take note: the spraybar holds c02 bubbles for a very long time. Some bubbles escape; some bubbles are simply blown out by the flow; but most just sit there and dissolve. I'm thinking the saturation is excellent. My plants are pearling like mad. I need someone to verify this technique.
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post #4 of 8 (permalink) Old 12-01-2011, 04:24 AM
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i concur
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post #5 of 8 (permalink) Old 12-02-2011, 11:19 PM Thread Starter
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Pics of my Ebi

Plants: Dwarf Sag; Narrow leaf Sag; Dwarf hairgrass; Java Fern; Water Sprite; Rose Sword.
Animals: 3 Neon Tetras; 5 Cherry Red Shrimp.
26w compact florescent 6500k
Stock fluval Ebi substrate supplemented with fluval Flora substrate
Seachem Flourish; Seachem Fourish substrate tabs; DIY C02; 30% water changes twice a week.

http://i1092.photobucket.com/albums/...i/S6300087.jpg
http://i1092.photobucket.com/albums/...i/S6300088.jpg
http://i1092.photobucket.com/albums/...i/S6300089.jpg
http://i1092.photobucket.com/albums/...i/S6300092.jpg
http://i1092.photobucket.com/albums/...i/S6300091.jpg
http://i1092.photobucket.com/albums/...i/S6300090.jpg

Sry, I have no clue as to how to upload photos. I hope it came through.

Last edited by n0cash; 12-02-2011 at 11:48 PM. Reason: add info
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post #6 of 8 (permalink) Old 12-04-2011, 02:48 PM
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Nice tank, and pretty awesome work with the driftwood.

I also use a needle wheel diffuser with a hydor pico powerhead. I just attached the co2 tube to the grill of the bottom. One important thing, don't place the tube too near the impeller, else it starts a siphon to the co2 bottle, causing yeast to end up in the tank(ha!, been there). Also use a separator bottle just in case.

About the impeller mod, I decide not to bother as the bubbles were already chopped up very fine by the stock impeller.

-magma

P.S. Noticed you have a bubble counter/separator, is that diy?
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post #7 of 8 (permalink) Old 12-04-2011, 08:03 PM
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Where did you get your driftwood? I like the overall look of your tank, ingenious on the co2 mod to the ebi filter.
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post #8 of 8 (permalink) Old 12-04-2011, 09:05 PM Thread Starter
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Thx for the comments. The bubble counter is off [Ebay Link Removed] The driftwood is advertised as Malaysian Driftwood I handpicked from my LFS.
I broke 3 glass nano diffusers just trying to get the airline on. Placing the airline on an output nipple of the fluval spraybar was just a temporary measure untill I could find another suitable diffuser. I discovered that it worked much better. Just tilt the pump so the bubbles work against the flow. With correct flow and correct downward pointing spray, the bubbles seldom escape. Plants seem happy.
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