lukac123
Aquarium Advice Regular
- Joined
- Sep 28, 2017
- Messages
- 95
So I’m nearing the end of the cycle. I did a 90% water change last night and my nitrates are still high. How do I get them down. My ammonia and nitrites are 0. No fish in the tank. When I did the water change I didn’t vacuum the substrate. Should I do another water change and vacuum the substrate?