I have 125 gallon tank with 5 adult tilapia and probably about 100 to 200 of 1/2 inch babies. I was surprised that the adults were not eating the babies this time. Last time there was a birth in the tank they were all eaten. Anyway, I checked the water today and the pH was about 6.0 and the ammonia appears to be in the 2-4 range. What should I do? Long term I know I need to get rid of some of the…