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Apistos are more hardy than GBR's. They are like the Bolivians, where you need to keep good conditions, but not pristine like the GBR's. But the better the water, the happier the fish will be.
If you are looking for color, what about Gourami's? My Neon Blue and Sunset dwarfs afe stunningly colorful, as well as my full sized blue and gold ones. Rainbows are also extremely colorful. My Bosemani's are outstanding.