Recent content by still001

Thank you for your response. I'm using a Week Raptor M450 light at about 60% power. I think the lighting is probably sufficient. The plant leaves are gradually being covered with black patches. How can I tell which nutrient my water is lacking? Is there a simple way to measure it?

Hello, I'm new to the world of planted aquariums. I have a tank that measures 50x30x30 cm. My tank only has a sand substrate and no fertilizer or plant nutrients. I use a Week Aqua light that's on for about 6 hours a day. I'm having an issue where the leaves of my plants are turning black, as...