TMC aquaHabitats Mechanical Filter Bag System Fuzzy Dwarf Lionfish you can improve your reef

you can improve your reef aquarium with Polypop

It needs to be kept on 5-7 inches of fine soft substrate such as sand of various particle sizes (not fine)

Iron Zlement used in conjunction with a regular testing procedure

Bristleworms

TMC aquaHabitats Mechanical Filter Bag System Fuzzy Dwarf Lionfish you can improve your reefDurable acrylic filter bag bracket plus 1 x 100 micron filter bag High quality bracket, suitable for 10cm (4") diameter filter bags Space saving hang on design allows the bracket to be installed on a sump or Aquarium without the need for securing screws Suitable for aquarium glass up to 10mm thick 10cm (4") diameter x 20cm long filter bag