My tank is at 0 ammonia, 0 nitrite, and 40-80 nitrate (hard to tell). When the tank was done cycling I did like a 80% water change, tested again and it hasn't changed. I added 2 live plants the other night and still no change. What other than a water change will lower the nitrate level?
I also added 4 fish the other night, 2 tiger barbs and 2 red wag platys, before then there was no fish and I used ammonia to cycle the tank so no waste should have been built up, so I'm confused?
Oh and it's a 55 gal, if that helps?..