- Joined
- Jul 12, 2019
- Messages
- 114
- Reaction score
- 30
- Location
- Rancho Cordova
- What state or country do you live in
- California
Why don’t you just 3d print the plugs instead of messing with concrete
Not sure on how to do it, 100% reef safe. I’ve heard black concrete dye is just iron oxide. I gotta ask my brother, he is a civil engineer and is also my partner in this project/ ideaCould also tint them

