MarinePure Vault Biomedia Holder Torts Biological filtration is the number

Biological filtration is the number one key to a nice and stable reef tank

A first of it's kind probe mount can accommodate Apex

(2) Mounting Screws

(1) AquaForest Alkalinity Test Kit

Neptune's Double Junction pH Probe is compatible with any monitor or controller with a BNC style connection

MarinePure Vault Biomedia Holder Torts Biological filtration is the number**discontinued** current stock is final stock Secure container to keep your MarinePure Biofilter Media safe and helps keep sump organized and easier to keep clean. Easy to assemble and it can also be used as a protein skimmer. Stackable, you can stack them together for larger needs and secure storage. Holds 1 Block, 1 gallon of Marinepure Spheres, 10 to 12 MarinePure PODs, or over 1500 MarinePure GEMS. Dimensions Internal 8x8x4 External 9x9x5