- Joined
- Apr 21, 2014
- Messages
- 3,335
- Reaction score
- 2,455
- Location
- Haverhill, MA
- What state or country do you live in
- Massachusetts
What are you trying to treat? Do you mean maracyn?I’m not sure if this was discussed yet. I purchased a box of Marex from eBay the other day. I know it was popular back in the early days of reefing but has anyone used it recently with success?


