Platy fry not really growing

[fishywishywowoo]

I have 1 month old platy fry. First pic at 1 week old. Second pic at 4 week old. As you can see they not much bigger. They very active. Usually in a breeder net in main tank I just taken them out whilst I do the weekly pwc. They in a 20g with 7adf and 8 platy. Tank parameters ammonia 0, nitrite 0, nitrate 10. Been established for over a year now. Feeding 3 times a day with a combo of liquifry, frozen daphnia, frozen cyclops and crushed flakes. The tank lit for about 12-14 hours a day.

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[fishywishywowoo]

Current tank

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[BillD]

Forget the liquifry and frozen daphnia. Up the flaked food.

 

[Musicfreak]

They do take time to grow. I had some fry born between Halloween and Christmas. They really didn't start taking form I guess until just around Christmas into last month.

I know it's hard to tell but they are growing, it does take some time. Just keep taking great care of them and they will be just fine.