Wa, you use "Holland Pheonix" to test water?!
You need to thank god that they still alive coz they are pretty sensitive to water quality.
To test water, use cheaper but "rough" fishes like
"4 stripe" or "zebra" la. Not that hurt even they are dead.
And no need to put too much fishes at the beginning.
The first time I set a tank I used "zebra". Till now they are still alive.
Darker is better for "Holland Pheonix". Try to put some plant like "iron crown" where they can have place to hide. After awhile they will be more active and not that shy.
Enjoy !
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