[sfshrimp]

According to their site they have these links where they test for trace amounts of copper:

http://www.regulatory-info-api.com/PDF/API_Leaf_Zone.pdf
http://www.regulatory-info-api.com/PDF/API_Root_Tabs.pdf

Are these levels safe for shrimp?

 

[theatermusic87]

No experience with the root tend, but I've dose the leafzone at double the bottles dosing recommendations with cherry shrimp and had no issues. I've since moved on to dry dosing Iron and potassium separately