Seachem Reef Trace 250 mL Eheim ThermoControl Aquarium Heater High porosity and surface area

High porosity and surface area give it a large binding capacity

(For reference purposes

White design contrasts with algae so you can see what you are removing

bio-available

Seachem Reef Trace 250 mL Eheim ThermoControl Aquarium Heater High porosity and surface areaSupplies a broad range of trace elements. Reef Trace may be used alone or in conjunction with Reef Plus. Reef Trace is nitrate phosphate free. Overview: Replenishment of a number of trace elements is required to maintain an environment ideal for the growth and reproduction of marine life, but while the importance of trace elements has been recognized by aquarists for many years, the physiological reasons are not fully understood. The chemical elements