Roots Organics HPK | 32oz

Natural Phosphorus & Potassium Bloom Booster, 32oz

Roots Organics HPK liquid bloom booster combines seabird guano and phosphate rock with langbeinite, a natural potassium source mined from ancient sea beds.

This 32oz size is distilled into an easy-to-use formula, minimally processed to preserve the synergistic qualities found in these exceptional ingredients.

Key Features & Benefits

• Seabird guano & phosphate rock — an unparalleled source of available natural phosphorus
• Langbeinite potassium source — mined from ancient sea beds in the American Southwest
• Minimally processed — preserves the qualities of the natural ingredients
• Liquid bloom booster — easy-to-use formula for home and professional gardeners

Who Should Use Roots Organics HPK

Suited to growers who want a liquid bloom booster combining natural phosphorus and potassium sources.

About Roots Organics

Roots Organics formulates HPK as a liquid bloom booster combining guano, phosphate rock, and langbeinite.

Frequently Asked Questions

What is HPK made from

Seabird guano, phosphate rock, and langbeinite.

What is langbeinite

A natural source of potassium mined from ancient sea beds in the American Southwest.

Is it heavily processed

No, it is minimally processed to preserve its natural qualities.

Who is it suited for

Both home and professional gardeners.