Waterbox Aquariums Filter Sock 4" (105mm) 100 Micron Filter Sock THERMOMETER A sensor changes color reversibly

A sensor changes color reversibly from yellow to orange to red alerting you to shifts in pH levels between 5

Best of all the transition from Nori Algae is a snap

This floating baby pellet is easy to feed and allows you to readily monitor your pet's intake to minimize waste

cleaning your filter

Waterbox Aquariums Filter Sock 4" (105mm) 100 Micron Filter Sock THERMOMETER A sensor changes color reversiblySuperior quality aquarium filter sock Keep your water crystal clear Effective at collecting detritus in the water column Eco friendly design allows for socks to be cleaned and reused Available in different Micron density for specific purposes