Thanks! A couple of those colonies turned out really janky in terms of colours because the phone sensor blue washes everything, so on the phone, reds barely even register, while anything that's blue becomes indecipherable from the background. I tried a new correction in Photoshop that involves specifically setting the black value, the white value, and the grey value manually using a kind of long and annoying process, but it requires there being something that is truly 'white' in the image that isn't blown out or a reflection, and since my sand has turned mostly grey/purple it was hard to find true white anywhere in the tank that's not crazy blown out on a phone camera.
Anyway it's a heck of a lot better than the original photos, but those are the only ones I could get 'right' enough to think worth posting lol.
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