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DIY co2 reactor
I had mentioned in a previous post that building a Dupla type reactor was
easy. I think it is. I simply copied the design. Having no available
source for a reactor tube I used a gravel siphon (16"). As with the
Dupla unit the co2 (standard air line tubing) is run into a brass fitting
that screws into a pipe fitting "T". A larger diameter fitting is
screwed into the pipe fitting T for the water in-flow. The bottom of
the pipe fitting T has a fitting that will accept the siphon hose
diameter tube which then goes down to the gravel vacuum.
Fill the gravel vacuum with bioballs or the equivalent. Hold them in
with a piece of nylon hose that is secured to the vacuum with rubber
bands or a clamp. In my case the water comes from an under gravel filter
with the power head (maxijet) plumbed with siphon hose to the fitting on
the pipe fitting "T".
Biggest problem was mounting it in the tank. Since this is in the
basement I used a piece of small line and secured it around the pipe
fitting T. This was suspended from the ceiling. This system requires
the reactor to be IN the tank. Pardon the crude asci art but put in
other terms:
C02 in (via fitting screwed into pipe "T")
|
____
| |
| | Note this thing on the left
____ | | is the pipe fitting T with
water in | female threads that accept other
____ | fittings that fit dia from UGF,
| | to top of gravel vacuum and from
| | CO2 line (air line size fitting).
|____|
water and co2 into top of gravel vacuum
Earle Hamilton