May 2, 2022 #81 Dan_P 5000 Club Member View Badges Excellence Award R2R Research Joined Sep 21, 2018 Messages 6,687 Reaction score 7,178 Rating - 0% 0 0 0 taricha said: Wonder if big zinc column would get you where you are trying to go. Click to expand... Possibly, though the world has switched to cadmium columns. I will try the less toxic zinc powder column.
taricha said: Wonder if big zinc column would get you where you are trying to go. Click to expand... Possibly, though the world has switched to cadmium columns. I will try the less toxic zinc powder column.
