*CLEARANCE* Hyshield Athena 3x3 (91cm x 91cm x

3x3 (91cm x 91cm x 213cm – 244cm)

especially in tropical aquariums

Repeat 3 to 4 days later to ensure any eggs that survived and hatched are treated before they themselves lay more eggs

CO2 levels without the need for expensive equipment or frequent monitoring

*CLEARANCE* Hyshield Athena 3x3 (91cm x 91cm xHYSHIELDs unique formula is derived from exoskeletons of crustaceans. Chitosan is extracted from crab shells which are a by product of crab fisheries. Essentially non toxic, biocompatible, and biodegradable waste from the seafood industry, chitosan offers broad spectrum disease and pathogen control by tricking plants into thinking they are being attacked by pests. As a result of this perceived infestation, the plants immune system goes into protective