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They are black in color with a wide vertical white band covering the middle of the body
you can monitor all essential water parameters during maturation
the SP13-UV requires no special plumbing and is easy to use and maintain
then add according to need
soft water (<15 dGH)
Coralvue Maxspect Nano-Tech Bio-Spheres Size:2Kg They are black in colorMaxspects Nano Tech BioSpheres are a durable dense arrangement of smaller spheres creating an ultra high surface area media which reduces the volume of bio media actually required for efficient nutrient cycling in both fresh and saltwater aquariums and ponds. This unique ceramic media has a unique cross cutting surface area that creates an ideal surface for a dense population of beneficial bacteria that removes ammonia and nitrites from your aquariums