I've detailed out a simple, easy to make, decent looking DIY CO2
internal reactor that works very well and is about 2-3$ minus the
powerhead.You do not need to be a subscriber to view the plans(It's
Free!). Took me 10 minutes to make, works super, good for DIY CO2 folks
as well.Can be used with a pH controller, solenoid, timer etc. These
are very effective and are easy for the beginner or expert to use.

Enjoy

Regards,
Tom Barr

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