Suction Cups - Black - 20PCS calico and up to twice per

and up to twice per hour or more for a heavily stocked koi pond

keeping water visibly clearer and reducing disease risk across the water column

Suitable for both freshwater and saltwater applications

suited to thinner glass

Suction Cups - Black - 20PCS calico and up to twice perDescription: A simple but essential accessory for keeping aquarium equipment securely in place. These black suction cups attach to glass surfaces and hold airline tubing, heater cables, filter hoses, and other equipment firmly against the tank wall, keeping your setup tidy and preventing equipment from shifting or falling. Each suction cup features a 3cm diameter base for strong adhesion to glass, with a 2. 8cm internal clip diameter and 1. 3cm