Black, Medium Particle (~5mm) Fired Volcanic Ash Base Substrate

Brown, Extra-fine-particle (~1mm) Fired Volcanic Ash Base Substrate

Concentrated Nitrogen Source & Growth Accelerant for all Planted Aquaria

Concentrated Boron Solution for Improved Coralline Growth & Red Coloration in Zooxanthellate

Black, Extra-Fine Particle (~1mm) Fired Volcanic Ash Base Substrate