The Planted Tank Forum - View Single Post - Working on a DIY Co2 drop checker using baby bottle
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post #4 of (permalink) Old 02-18-2013, 11:59 PM
Darkblade48's Avatar
Join Date: Jan 2008
Location: Toronto/Singapore
Posts: 10,713
The right principle for design is there, but as mentioned, I would be a little worried about using just one suction cup to hold the drop checker in place. You may find yourself using a lot of 4 dkH reference solution and bromothymol blue to get the liquid visible past the opaque lid.

It might be a little big as well (I wouldn't want to put that into my nano aquarium )

Finally, people might ask about that upside down Mickey Mouse


A Primer to Pressurized CO2 and A Primer to Planted Tanks
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