I'm still kind of curious as to how my nitrates spiked up so much.. I know 20ppm isn't lethal but it may have been more, the API kit is kind of weird it's different shades of orange and I always have trouble reading it. It was a pretty deep orange, I usually get a pale orange color and I usually test my water weekly.
I do 25% weekly water changes (two 5.7 gallon buckets so closer to 30% probably). Only reason i tested my water last night was because I noticed the dwarf water lettuce had pretty much taken over the top of my tank and I was getting some springtails on the surface of my water (little jumping bugs).
I really figured that the dwarf water lettuce explosion would reduce nitrates, maybe a ghost shrimp died somewhere I can't see? I figure the frogs would eat any shrimp that croaked though, no pun intended.





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