GHL Upgrade eX For 3.1A/N for Aquariums Controller System Puppy Food Reef Builder and Reef Buffer

Reef Builder and Reef Buffer can be used in tandem

Your dog will be delighted by the perfect combination of tugging

and it has no effect on the pH of the water and lasts the life of the aquarium

biofilters

Patented design fits most round cat and dog food cans

GHL Upgrade eX For 3.1A/N for Aquariums Controller System Puppy Food Reef Builder and Reef BufferThe GHL Upgrade eX For 3. 1A N is an expansion kit used to upgrade a GHL ProfiLux 3. 1N A T aquarium controller to a ProfiLux 3. 1N A T eX version. The "eX" (eXtended) version includes additional ports and features not available on the original models. Key Features Added by the eX Upgrade Upgrading to the eX version provides several additional hardware features, including: Conductivity Ports: Switchable ports for measuring either fresh or saltwater