Fluval Replacement Glass Aquarium for Fluval Flex 123 L (32.5 US gal) Aquarium Kit - Black Freshwater Plants It is recommended to place

It is recommended to place the gems after the mechanical filtration as this will help keep larger pieces of debris and detritus from clogging the exterior pores

CO2 Booster may be used alone or with a CO2 system

these canopies provide protection for your fish while allowing you to customize your lighting setup

Excellent for nocturnal viewing of all types of captive animals

Fluval Replacement Glass Aquarium for Fluval Flex 123 L (32.5 US gal) Aquarium Kit - Black Freshwater Plants It is recommended to placeThe Fluval Replacement Glass Aquarium in black is suitable for the Fluval Flex 123 L (32. 5 US gal) Aquarium Kit in black (14995). MAY NOT SHIP