Working out co2

[Adam humphries]

Hello I trying to work out how much co2 I need for my tank it's a 30ltr fe setup going through a atomiser it has shrimp (cherry, orange,amano) Cuba and Xmas moss.
Dk 6
Ph7
Not sure what to do next got bubble count at about 1b/5 sec and drop checker is light green..any help b greatful as I have learning difficulties I ask a lot of questions ..

 

[ian_m]

My 2Kg fire extinguisher lasts 100 odd days for my 180litre tank with drop checker being on the yellow side of green.

So about 3 times longer in your setup, possibly.