Nov 5, 2019 #21 Bokevince Active Member View Badges Joined Aug 3, 2015 Messages 163 Reaction score 45 Rating - 0% 0 0 0 I also have high mercury HG level on another lab and I ll take out the uv, 5years old running, not often (when adding new fish)
I also have high mercury HG level on another lab and I ll take out the uv, 5years old running, not often (when adding new fish)
Nov 5, 2019 #22 Bokevince Active Member View Badges Joined Aug 3, 2015 Messages 163 Reaction score 45 Rating - 0% 0 0 0 Thanks to @Lasse for the known sources of mercury
