Growth is not a calendar promise
Neocaridina can reproduce readily in suitable, stable aquariums, but the pace varies by colony, temperature, food, and survival of young. A new group may take time to settle and mature.
Fish, filtration, available cover, and maintenance influence how many juveniles reach adulthood. Tank size alone does not predict the final population.
Plan before the tank looks crowded
Watch how often shrimp gather at feeding, whether water tests remain stable, and whether the aquarium still has grazing surfaces. Avoid increasing food just to accelerate reproduction.
If the colony outgrows the setup, consider a second cycled tank or responsible rehoming. Do not release aquarium animals outdoors.
For your own tank
Plan a route for surplus animals before the aquarium reaches its limit. A spare cycled tank or a local rehoming contact is safer than last-minute overcrowding. Growth varies, so watch water tests and grazing space rather than forecasting a precise population date.
Use these as general hobby references. Test your aquarium and confirm product guidance before making changes.