• Single Cartridge System with replacable media and chemical filtration • No need to purchase a separate siphon for water change • Can be used with fresh and salt water ...
EZ Clean External Filter • Dual Cartridge System with replacable media • Mechanical, biological and chemical filtration • No need to purchase a separate siphon for water change • Innovative water-change...
Salifert Potassium Reef TestPotassium concentration in natural seawater is approximately 400 ppm. Many aquarists have reported that a low potassium value reduces colors in corals. This can be corrected by increasing the potassium value to...