I was so proud of myself..... I had made it through the problem that I bought on myself with buying too many Koi in a new pond..... Survived a massive toad frog invasion..... Even though I still have hundreds of tadpoles which are growing legs now and will be trying to get out of the pond soon....Made it through a Koi spawn, two weeks ago I had hundreds of Koi fry Now it's down to a couple of dozen but they are growing and surviving.... My ammonia had been at zero for over two weeks and low before that.... Checked my water last Thursday everything great.... But then low and behold Saturday night we had our windows up and I heard splashing all night and got up before daylight and sure enough they were going at it again..... By midday Saturday it was all over.... Except the water was cloudy and I checked my water today and my ammonia was up to. 25, I am sure it will go back down..... The culprit is a fish that Sarah wanted from Liberty High School..... I told Sarah that fish was a (Koi with loose moral values), really said something else but what can I say I am from Tennessee..... A little tounge and cheek but I am enjoying the first year pond experience..... It's an adventure every day