Quote:
It's called reverse solenoid application.
I did this but powerheads cost 9-12$, solenoids at the time cost 40$.
To my knowledge, I am the only one that has ever done that with DIY CO2 + solenoid on plant tanks.
There's no need though since the powerhead controls the on/off part.
Regards,
Tom Barr
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That's good to know, and yes, that is
way cool! Thanks, Tom!
Bill