Hi, Hector,
Welcome to the forum. It's sure good to hear from hobbyists living in faraway nations. Puerto Rico? Now where is that on the world map? It sounds like one of those countries where their Miss Universe representative consistently makes it to the top tenOr is that Costa Rica?
You're doing fine with your Killies. I've never tried methylene blue myself but as far as I know, in small dosages, it won't work. You have to dose heavily, to the point where the eggs turn blue before the medication becomes effective. I still think using an algae eating shrimp to keep fungus at bay is one of the better methods. One of our forum users, Diapteron Dave, I think, discovered recently that the Amano shrimp, also known as Yamato numa ebi, is good for keeping non-annual eggs in good condition.
As far as I know too, young adults produce more eggs than old ones. Collect as many as you can when they're young and fertile.
Loh K L
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