OASE BIOPLUS Size:200 This high quality refractometer is

This high quality refractometer is extremely accurate and easy to use and calibrate

then the system is carbon limited

simply rinse your sponge

Spirulina formula is an optimal food source for marine herbivores such as Wrasses

World's finest Precision InLine CO2 Diffuser

OASE BIOPLUS Size:200 This high quality refractometer isIntegrated diffuser with three adjustable water flow settings Allows for uniform surface movement, prevents formation of biofilm, and provides added aeration Simple cleaning and maintenance Remove individual filter modules while keeping the pump unit in place for easy cleaning and maintenance Carbon filter foam Activated carbon absorbs unwanted substances in aquarium water. Carbon filter foam make replacement much simpler than using common granular