I'm using the Vista stainless steel inline diffusor in your 2nd - 4th pictures, for over 2 years in my 20L.
Excellent stuff. It never clogs up.
If you don't like to see the bubbles, plumb it into the intake hose of your cannister. That'll give the bubbles more time to dissolve in the filter. I used to do that and had good results.
Recently, I changed it to the outlet hose, following the "new line of thinking" that CO2 bubbles blown directly to the undersides of leaves is even better. Now growth had been phenomenal.
I have only two small complaints for this piece of kit.
1) The tacky plastic made me hesitate in buying more pieces and now, I'm kicking myself because I've been searching the LFS for more with no luck in finding one.
2) It works better with a stronger flow rate if plumbed to the output end -- with weak flow, the fine bubbles can't be pushed over the bend of the J tube down through the rainbar, but in my 20L tank where I deploy this, that amount of flow means I cannot keep still water fish.
You should keep up with the high flow, and point the rainbar at the plants. Do a search on this forum with the keywords "CO2 Mist"
Good buy. I'm happy for you.
Warm regards,
Lawrence Lee
brothers, whatever is true, whatever is noble, whatever is right, whatever is pure, whatever is lovely, whatever is admirable--if anything is excellent or praiseworthy--think about such things.
Philippians 4:8
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