Tricolour Damsel - Rollandi Sansai such as regular water changes

such as regular water changes and proper feeding habits

allowing the biofilter to more efficiently remove them

This means that the cartridges will filter out dirt and waste but during this process the filter media's surface area becomes colonised by useful bacteria

which START EMITTING LIGHT WITH AN INCREASED POWER

Tricolour Damsel - Rollandi Sansai such as regular water changesChrysiptera rollandi Care: Beginner Diet: Omnivorous Light: Medium Place of origin: Melanesia Temperature: Tropical: 23 27 deg C (73 81deg F) Water Parameters: SG: 1. 020 1. 025, pH: 8. 1 8. 4 It is highly recommended to keep these fish in groups of 8 or more due to their highly sociable nature. During the day they will shoal and at night will descend to the substrate to feed. They prefer a larger aquaria with plenty of hiding spots among rockwork.