Working on a DIY Co2 drop checker using baby bottle
So the past few days I've been worried about Co2 levels in my new 55g, and was trying to find a cheap solution where i could just use stuff i already have for the aquarium or laying around the house.
Digging through the cupboards i noticed an old baby bottle so lets begin.
Inverted the nipple and using Loctite Gel I superglued it to the bottle.
Cut off just the very top of the nipple. This is where the Co2 from the aquarium will enter the testing chamber.
Now i should just need to work on the solution. I previously picked up some distilled water from the store. I'm going to do some research on how to do this.
Have you tried filling it with water and putting in the tank yet? It looks like its going to have a pretty big volume of air. I wonder if it might make it too buoyant for the single suction cup.
I put it in a glass of water, it wasnt filled up. but yes its pretty bouyant. I shouldn't need it to be too deep to test the Co2 though? I can always add another suction cup if needed.
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 :D
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