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[APD] Cheap CO2 controller
I was just wondering, since 90% of recent posts involve CO2 reactors, if
anybody has any comments about a eleven-year-old CO2 controller design at
http://www.thekrib.com/Plants/CO2/co2-pvc.html which, as low pressure
solenoids can apparently be very cheap, could be a very economical way of
having automatic CO2 injection (I have very soft water and like it that
way)?
--
Andrew McLeod
thefish at theabyssalplain_freeserve.co.uk
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