CoirSub: Ready-Made Coco-Peat Artificial Soil Kit for OECD Earthworm Toxicity Tests

A pre-blended, batch-QC'd artificial soil (70% sand, 20% kaolin, 10% washed coco peat) that lets contract labs in tropical countries run guideline-compliant earthworm acute and reproduction toxicity tests without importing sphagnum peat.