Yep, just carry on as before. I doubt you've lost any bacteria that developed as the ammonia didn't drop to zero so they still had food. Carry on topping up to 4-5ppm I say and don't worry about the gap.
__________________ 12g with 1 Rainbow shark, 6 Cardinal Tetras, 1 False SAE,2 Amano Shrimp. 12g with 1 Black Widow Tetra, 2 Yoyo Loach. |