2 frag racks $55
1 has stronger magnets for thick glass
Other has weaker for thinner glass
Ocean box designs
Make it a $105 and get 2 hanna checkers. Needs reagents
Calcium and alkalinity
1 has stronger magnets for thick glass
Other has weaker for thinner glass
Ocean box designs
Make it a $105 and get 2 hanna checkers. Needs reagents
Calcium and alkalinity