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CO2 mixer for planted aquarium

Step 4Assembling #2

Assembling #2
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  • fittedfilter.jpg
  • bubblecount1.jpg
  • bubblecount2.jpg
  • bubblecount_overv.jpg
Now its time to put everything together.
Screw in both both connectors to the top section of water filter. Tee connector to In and straight connector to Out. Secure both by Teflon tape/silicone sealant/washer, doesn't matter which way you prefer unless its not leaking. I've bought for it rubber washers set (8 of them), and two of them exactly fit to connectors.Than you have to fit remaining 20cm long pipe in the lid. That will be the outlet from inside housing.
Put the bioballs (or not, its up to you) into bottom section of the housing and screw the lid together.
Now is time to make a decision where is the best place to cut filter outlet pipe in two.
Another small piece (approx. 8 cm) of outlet hose you'll need to make bubble counter (of course the hose must be transparent to see bubbles).
If the silicone dry out, you can fit CO2 inlet into 8 cm piece of hose and tight hose clip on it. From the other side of "bubble counter" should be Tee connector (the same way like small pieces of pipe inlet and outlet) and fasten the nut (see picture).
If you've decided where and cut the hose in two, its time to place hose clips on the hose, connect hose to mixer inlet/outlet pipes, and fasten up the clips. Hint: If its hard to pull on the hose onto a pipes. Hint: use hot water to soften the hose and and will be easier.
Connect CO2 hose to inlet and make sure everything is tight (you can secure CO2 hose by small cable tie or piece of wire).
If you're sure switch on the filter and will see how the new mixer is slowly filling up with the water. When the water will reach bottom of the inside outlet pipe will probably stops filling mixer, so at that point you have to press the pressure release button until mixer will fill up with water.
check the leakage and that's it.
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