Cinnebuns Posted April 13, 2022 Share Posted April 13, 2022 (edited) I'm confused here. This is a divided 10 gallon tank. Divider is a sponge. Side 1 has a lot of algae and side 2 has none. They share water and I have tested each side independently a couple of times and their parameters always come out identical. Nitrate being the one I would think might cause the difference in algae. Both sides get equal lighting. Here are the differences in the sides: Side 1: about 30 2 week old guppy fry, 2 ramshorn snails, aquarium coop small sized sponge filter, food tends to build up more on this side so I have been feeding less. Side 2: about 10 6 week old male guppy fry. No snails (that I can see, rams babies are tiny), aquarium coop sized nano sponge filter, very little to no extra food build up. At first I thought maybe the extra food was creating more ammonia and thus more nitrate. But that is debunked via testing parameters on both sides. Any ideas whats going on? Edited April 14, 2022 by Cinnebuns Link to comment Share on other sites More sharing options...
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