- Joined
- Jun 10, 2015
- Messages
- 19
- Reaction score
- 3
I have a pico tank maybe 5 gallons all together sump and display so phosphates are impossible to control i know it is just a bandaid to the pro lam but I just want to know if it will harm any of my shrimp crabs or other coral/ inverts any info appreciated just don't want to kill all my work because I don't want to pull my rocks