Tropical Fish Keeping - Aquarium fish care and resources

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Rogergolf66 05-30-2007 10:56 PM

bubble trap
can someone send me some info on how to DIY a good bubble trap that would be great

Thanks Roger

SKAustin 05-31-2007 05:32 AM

A bubble trap is simply a series of 3 baffles where the water flows over the first baffle, under the second baffle, and over the third baffle.


Originally Posted by SKAustin
To keep the baffles even, I use sheets of non-corrigated cardboard. I measure and cut strips the width of the baffle spacing. I then bend the strips into a circle and staple them. These circles are then used as a spacer between the baffles. If you lay the tank on end, you can work your way up without having to wait for the silicone on the previous piece to set.

how to silicone a clean bead between the bubble trap baffles:
The first baffle of the bubble trap can be mounted normally. Once the first baffle is in place, measure and mark with a pencil or marker on the outside of the tank, the location of the second baffle. Keep in mind, the bigger the space between baffles, the slower the water will flow through the trap, and the slower the water flows through the trap, the better the trap will function. Once you have marked your location on the top and bottom of each side (and either side of the bottom if the baffle goes to the bottom), run a piece of masking tape to make a line all the way around the outside of the tank where your baffle will be. Place a bead of silicone around the inside of the tank using the line as a guide. Now place your spacer in and then slide the baffle into place. If this was done properly, the baffle should have pushed the bead of silicone enough that the silicone fills any space between the baffle and the glass. Now use a 1/2" dowel to reach in between the baffles. Run the end of the dowel up the bead of silicone to force it further into any gaps, and to round off the bead. Let that set for a bit, then run a standard bead aroung the outside of the baffle.

Voila! One down, one to go.

Rogergolf66 05-31-2007 07:21 AM

great thank how many inches should there be between each baffle


SKAustin 06-01-2007 05:14 AM

At least an inch.

Originally Posted by Rogergolf66
great thank how many inches should there be between each baffle


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