Maxspect Nano Tech Anaerobic Block Catalyst (Pack of 5) Marine Aquariums admired for its changing colour

admired for its changing colour pattern

Potassium Zlement used in conjunction with a regular testing procedure

Best kept as a single specimen unless the aquarium is very large and compatibility has been carefully planned

Regal Angels are usually less aggressive than many larger angelfish

snails and other invertebrates

Maxspect Nano Tech Anaerobic Block Catalyst (Pack of 5) Marine Aquariums admired for its changing colourMaxspect Nano Tech Anaerobic Block Catalyst (Pack of 5) Denitrification Catalyst for the Maxspect Anaerobic blocks x 5 Each catalyst is suitable for 2 months of bacterial production so this package will last 10 months.