It's not from the plants because it was there this morning before I added those and after scooping it out I figured it would go away. I have kept the light on all day because of the plants and there's also a heater keeping the water a constant 80 degrees Fahrenheit.
salinity 1.020-1.021
pH 7.4-7.6
ammonia approx 0.50 ppm
nitrites 0 ppm
nitrates approx 0 ppm


What is this stuff? How bad is it? And most importantly, how do I get rid of it?