- Joined
- Sep 20, 2021
- Messages
- 769
- Reaction score
- 770
- Location
- Australia, NSW, Sydney.
- What state or country do you live in
- Australia
I just did an 80% water change on my pico reef and I tested my water for the 1st time. My phosphates are 0, but nitrates are 30 ppm? How do I get rid of them and how do I avoid them?


