vincentwangz
Seedling
- Joined
- 21 Jan 2015
- Messages
- 16
Hi all, I just got a CO2 drop checker yesterday but I can't seem to get it to work. I suspect it has got to do with it being substandard quality. The solution is yellow in color and I'm supposed to use five drops of that, and fill the rest of the vial with aquarium water. One whole day in the tank without any CO2 input still kept it at yellow. I then tried to use tap water to fill the vial instead. It's still not working. Any advice? Here's how it looks.
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