Boyu DGN-520 External Filter Canister VITAMIN determine the alkalinity in the

determine the alkalinity in the aquarium using an accurate test kit (recommended) or recently-calibrated meter before using this product (see section below on pitfalls prior to use)

This prophylactic dose will aid the prevention of disease outbreaks

We encourage hobbyists to use this product responsibly and only as directed

The presence of these free-form amino acids is particularly important to corals that have undergone

Boyu DGN-520 External Filter Canister VITAMIN determine the alkalinity in theFeatures: Auto Air Out and Auto Water Sucking, easy to use. Multilevel Output Control, applied to different requirements. Built in UVC Sterilizer, high performance, without secondary pollution. Built in water protection and the temperature protection device, safe use. Technical Parameters: Voltage: AC230 115V Frequency: 50 60hz Power: 4 30W Qmax: 300 1610L h Hmax: 0. 5 3m UVC STERILIZER Power: 4W Size: 240x240x521mm