Tannins and DC's

[Mooner]

What is your thought on using drop checkers in tanks with high tannins? Are they somewhat accurate or not. I will use on if the reading isn't compromised.

 

[VaughnH]

Because the water in the drop checker contains nothing but carbonates and the CO2 it gets from the tank water, it doesn't matter if there are tannins in the water. But, if the water is very discolored by tannins it might make judging the drop checker color even harder.

 

[Mooner]

Fair enough Vaughn, Thanks