Re: Anyone using ISTA Max Mix CO2 reactor??
The purpose of the bottom one is to hold the pipe in place and stop the vibrating sound of the pipe with the water movement and the co2. If that DIY method worths for you, great. Others in the design process found that it was more noisy if rotating so it was made stiff. In other models it is actually sealed to the pipe.
Originally Posted by
sword28
Actually I am not referring to the 2 sets of propellers on top.
Yes both of them should be rotating.
I am referring to the bottom one, just before the outlet.
that bottom propeller is as-designed to be tight fit and it is not rotating when I first use it.
so I took it out and sand it and now all 3 propellers are rotating. (top2, bottom 1)
*/Tank Specs*/
50Gallon (90 X 45 X 45) Tetra Ex120, CO2 @1~2 bps, 4X30 watt @8 hrs
29 Gallon (61X40X45cm) DIY ADA stand, Eheim 2215, Fishline 48w T5 light @8hrs
17 Gallon Mr.Aqua (60X30X36cm) DIY ADA stand, Fishline T5 lights 48watts @7 hrs
Tank in Progress (120X60X55cm) DIY sliding door stand, Reef style tank w/ SUMP+Eheim pump, T5- 6X54w
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