MPR Magnetic Probe Rack Marineland and contains millions of live

and contains millions of live bacteria to cycle super fast and create a natural biological balance

making them suitable for medium-sized reef tanks

Minimum Tank Size: 70 gal

with a distinctive blue streak from eye to head and a yellow tail

cleaner and reduces the potential of HLLE developing in your fish due to fine carbon dust particles

MPR Magnetic Probe Rack Marineland and contains millions of liveNeptune Systems designed the MPR Magnetic Probe Rack specifically for the Apex. It will hold the larger diameter temperature probe, pH probe, ORP probe, and salinity probe. Made from acrylic and with strong neodymium magnets Works securely on sumps and aquariums up to 1 2" thick Dimensions 4" long by 2. 5" deep with the screws all the way backed out.