Seedling Starter Soil With Reefertilizer Start

The following recipe will make 2L of starter soil, enough to fill four Solo cups or four 4″ pots.

800ml – Potting Soil
400ml – Worm Castings
400ml – Perlite
400ml – Start Soil Conditioner

Mix these items well and add just enough water to moisten the soil. You want this soil to be moist and not wet. Grabbing a handful of soil should feel spongey and lightly hold together.