DIY Spraybar and air pumps- a few questions. - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 3 Old 10-17-2011, 09:17 PM Thread Starter
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DIY Spraybar and air pumps- a few questions.

Thanks for looking at this thread. One day, maybe I will be able to answer a question or two and not ask so many.
First: I want to make a spraybar for my 29 gallon tank. I'm using an AC50 HOB and an AC20 powerhead on an uplift tube for the UG filter turned down to the lowest setting. I want to attach a spray bar to the powerhead to diffuse the spray and eliminate some dead spots on the far end since both filters are on the same end. Can I use thinwall tubing that I have laying around or should I use PVC? Is there a way to know how many holes to drill and how big, or do I just drill one every inch or so?

Second: What is the purpose of air pumps for an aquarium? I used to think they oxygenated the water, but found out they don't so besides decoration, protein skimmers, and slight water movement, is there any other purpose? Could I just stick an airstone in the far end, near the plants, to move the water?

Thanks, Jim
The tank is 29 gal lightly planted (2 swords, 1 Apo) 5 platys, 5 tetras, 2 otos, and a 3 (so far) pond snails.
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post #2 of 3 Old 10-17-2011, 10:20 PM
> For the spray bar, I'd likely drill a small hole every 1/2", but you could try an inch, test and drill more as/if desired.

> Air pumps / air stones do in fact indirectly add Oxygen to the water - as the bubbles break the surface, there is an exchange of CO2 (into the atmosphere) and O2 (into the water).

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post #3 of 3 Old 10-18-2011, 07:12 AM
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Quote:
Originally Posted by JimBinSC View Post
Thanks for looking at this thread. One day, maybe I will be able to answer a question or two and not ask so many.
First: I want to make a spraybar for my 29 gallon tank. I'm using an AC50 HOB and an AC20 powerhead on an uplift tube for the UG filter turned down to the lowest setting. I want to attach a spray bar to the powerhead to diffuse the spray and eliminate some dead spots on the far end since both filters are on the same end. Can I use thinwall tubing that I have laying around or should I use PVC? Is there a way to know how many holes to drill and how big, or do I just drill one every inch or so?

Second: What is the purpose of air pumps for an aquarium? I used to think they oxygenated the water, but found out they don't so besides decoration, protein skimmers, and slight water movement, is there any other purpose? Could I just stick an airstone in the far end, near the plants, to move the water?

Thanks, Jim
The tank is 29 gal lightly planted (2 swords, 1 Apo) 5 platys, 5 tetras, 2 otos, and a 3 (so far) pond snails.
Maybe move the Aquaclear to the other end of the tank away from the powerhead?
As Abby's dad said...air pumps/stones,curtain's, help move water lower in oxygen from the bottom of the tank to the surface for CO2/oxygen exchange.
They can also help disperse heat more evenly throughout the tank .
Air pump's in undergravel application, either help pull water down through the substrate or.. push water up through the substrate (see reverse flow UG filtration).

The most important medication in your fish medicine cabinet is.. Clean water.

Last edited by 1077; 10-18-2011 at 07:14 AM.
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