
Aquarium additives include calcium, iron, magnesium, water conditioners, kalkwasser, and phytoplankton. Many are necessary for the survival of the animals in a reef tank, while others will help to enhance the health of your tank's inhabitants.

Aquarium additives include calcium, iron, magnesium, water conditioners, kalkwasser, and phytoplankton. Many are necessary for the survival of the animals in a reef tank, while others will help to enhance the health of your tank's inhabitants.