Product Guides
Learn how to use PuurOrganics nutrients for fruits, vegetables, cannabis, and more. Step-by-step mixing, feeding, and soil health guides for natural growth.
What Is PuurOrganics?
Discover what makes PuurOrganics by Cronk Nutrients unique — a 100% organic nutrient system that delivers fast, plant-available results with total feeding control.
Why Use PuurOrganics?
Learn why growers choose PuurOrganics — a fast-acting organic nutrient system that delivers clean results, healthy soil, and precise control.
Cronk PuurOrganics Kit: Complete Guide to OMRI Organic Nutrition
The PuurOrganics Kit delivers OMRI-certified organic nutrition through a modular 5-part system with independent N, P, and K control—precision previously impossible with organic fertilizers.
Cronk PuurNitro 8-0-0: Complete Guide to Organic Nitrogen Nutrition
PuurNitro is an OMRI-certified organic nitrogen fertilizer derived from upcycled soy protein, delivering fast-acting nitrogen for vegetative growth while maintaining full organic compliance.
Cronk PuurPhos 0-12-0: Complete Guide to Organic Phosphorus Nutrition
PuurPhos is an OMRI-certified organic phosphorus fertilizer derived from upcycled pumpkin seeds, delivering concentrated phosphorus for flowering and root development without sediment or clogging.
Cronk PuurK 0-0-15: Complete Guide to Organic Potassium Nutrition
PuurK is an OMRI-certified organic potassium fertilizer derived from upcycled durian fruit shells, delivering concentrated potassium for flower quality, stress tolerance, and terpene production.
Cronk PuurBalance 2-0-0: Complete Guide to Organic Amino Acids and Micronutrients
PuurBalance is an OMRI-certified organic supplement containing 21 L-amino acids and chelated micronutrients that improve nutrient uptake efficiency and correct trace mineral deficiencies.
Cronk PuurCalMag: Complete Guide to Organic Calcium and Magnesium Supplementation
PuurCalMag is an OMRI-certified organic calcium and magnesium supplement with acetic acid chelation for fast absorption, essential for preventing deficiencies in coco, RO water, and LED grows.