I started a small nano planted tank just over 3 weeks ago, filters only been going for 2 weeks. For some reason the tank cycled, even though I added no ammonia products. I did a test last night, ammonia was 0, nitrite was 0 and nitrate was 10ppm. Woods still a bit boyant, hence the stones and heater, pinning it down. I'm using RO water because my tap water is quite poor. Which I'm reminerlising with Seachem Equilibrium. At the moment, I'm using they're dosing guide for 1GH by