Brightwell Aquatics ChaetoGro: It's fertilizer for your chaeto refugium. Simple.

Brightwell Aquatics ChaetoGro steps in to replenish important elements such as iron, cobalt, molybdenum, and a handful of others that are not typical parts of a regular reef tank dosing regime. This ensures that your Chaetomorpha will have everything it needs to thrive and maintain optimum nutrient removal.