looks like u def could use some co2 the HCs looking a little bit yellow compared to how it looked. but still looking awsome love the color of the platies
Yup. I agree. The HC was losing its color and a bit of brown algae was growing on most of the leaves.
Now that I've had co2 going for about a week, I can already see the color coming back and new little leaves popping up through the old stuff. And talk about pearling! About six hours after the lights go on, tiny TINY bubbles stream up from all over the place. I've had "fake" pearling after I do a water change, but nothing like this. Guess that's a good sign.