Who Gives A Fish Forums

Thanks for the tips, everyone. I'll try the methylene blue and keep an eye on the male. Tankmates are just a few tetras, but I can move them out if needed. The pair's about a year old, so maybe they're still figuring it out.

My discus laid eggs a few times now, but they never hatch. Tank's a 55 gallon, temp at 84F, pH around 6.5. I do 30% water changes twice a week, use RO water with a bit of tap for minerals. They're fed beef heart mix and frozen brine shrimp daily. Any idea why no fry? Eggs just turn white and ...