Salifert Trace Soft 500 ml.

Highly concentrated. This is the best tuned trace element solution for your soft - leather corals and calcareous algae. Withouut trace elements life would have been impossible. All corals and invertebrates use trace elements. This additive, which is made form the finest substances, is especially designed for soft - leather corals and the beautiful colored calcareous or encrusting algae. It supplies them with trace elements which they use for their health and growth. If you have hard corals as well, you might consider combining it with Trace Hard. To avoid that the trace elements become transformed in a biologically unavailable form, iodine is excluded