The Planted Tank Forum - View Single Post - Arduino Diy pH probe
View Single Post
post #12 of (permalink) Old 01-28-2013, 04:01 AM
No more Bow ties
mistergreen's Avatar
PTrader: (13/100%)
Join Date: Dec 2006
Location: Cincinnati
Posts: 15,323
oh, gotcha. it costs the same to buy a CO2 sensor whose max is 36ppm
or a bit more ($250) for a sensor whose max is 300ppm.

mistergreen is online now  
For the best viewing experience please update your browser to Google Chrome