Waver Surfer Controller Plastic Fish Bowls changes reversibly from yellow to

changes reversibly from yellow to green to blue relative to the ammonia concentration

Extra long 20' power cord with grounded plug

Microbe-Lift Nite-Out II liquid nitrifying bacteria contains select strains of Nitrosomonas

265 Gallon Black w/2 overflows A super-efficient overflow aquarium system that combines a custom Perfecto aquarium with Marineland's advanced water-flow technology

Waver Surfer Controller Plastic Fish Bowls changes reversibly from yellow toThe new Electronic Control Wave Surfer is designed to simulate real marine currents. It is easy to program with the perfect balance of features for trouble free operation without complicated computers or power controllers. When used with aquarium pumps, the Wave Surfer permits the creation of multiple currents from different directions inside the tank. Its controls make it simple to regulate the timing of the pumps connected to it. Customization is