Maxspect Nano-Tech Anaerobic Block (2 Blocks) other plumbing Versions suitable for 10-15mm or

Versions suitable for 10-15mm or 15-20mm glass/acrylic

clears quickly

Potassium and Iron

Red Sea’s DIY Aquarium Net Cover keeps excitable fish safe inside their tanks while keeping household pets or potential predators at bay

If necessary

Maxspect Nano-Tech Anaerobic Block (2 Blocks) other plumbing Versions suitable for 10-15mm orMaxspect Nano Tech Anaerobic Blocks are a new game changing innovation to "complete the nitrogen cycle" and compliment your filtration. Where the original Nano Tech bio blocks and spheres excel in housing aerobic bacteria these patented blocks excel at housing anaerobic bacteria. The denitrification catalyst supplied with the blocks increases the bacteria production within the massive surface area and ideal living conditions on the inside of the