I just pulled your picture up on a bigger (better) screen and agree, the color looks greenish/yellow. Ammonia needs to be zero. I think Mitch mentioned what to do regarding this so I won't repeat. I still think you have too many fish for that size pond regardless of the cycling issue.It may be me but looks like your ammonia level is starting to go back up again.
Never tested for Nitrite.Those tests look great but let's find out about dissolved oxygen. The chart shows a check mark for nitrite. Is that a recent test?
I really got carried away.In any event, I think there are too many fish.
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