I wrote quite a lot about the quality of water for spawning discus, but not much about the lighting of the tank. Recent blog comments have inspired me to write more on this topic. Generally, the lighting of the aquarium during discus spawning does not have any great influence on its course, but then, when the fry melt (about 3 days after hatching of the larvae), it can sometimes decide about the success or failure of the aquarist.

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