The Reef-Tek Bio Blocks Holder is designed to conveniently and elegantly organize bio blocks used to simulate live rock, providing more surface area for bacterial growth in your aquarium.
Characteristics :
Compact and easy to clean, they increase the efficiency of the bio blocks
Support for 2 aerobic bio blocks (grey blocks for bacterial attachment)
Support for 2 anaerobic bio blocks (denitrifying black blocks)
The dimensions of the models are:
Aerobic Block Model: 12cm x 9cm x 12cm (L x W x H)
Anaerobic Block Model: 15.5cm x 7.5cm x 11cm (L x W x H)
The supports are basic color transparent white or transparent black
