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ad3hybrid · 12-21-2011, 03:49 AM

@donbeezy, it's a CO2 drop checker for monitoring CO2 level in my tank. I'm not sure how accurate it is, but it really helps me controlling the CO2 level.

12-21-2011, 03:49 AM	#16
ad3hybrid Algae Grower (View User Tanks) PTrader: (0/0%) Join Date: Dec 2011 Location: Rochester, NY Posts: 71	@donbeezy, it's a CO2 drop checker for monitoring CO2 level in my tank. I'm not sure how accurate it is, but it really helps me controlling the CO2 level.