Products

Crystal Burst (0-15-15) is one of the most potent liquid PK Boosts on the market. It has a healthy dose of Vitamin B1 to help relieve stress caused...

Made from worm castings and the highest quality potent seabird and bat guanos. Highly concentrated and all natural – over 2 years spent sourcing a...

Humboldt County's Own Snow Storm Ultra is a potassium supplement which assists with essential oil production. If you like Purple Maxx, but color is...

It's Spanish for green!! Lush green colors and vigorous growth are what you can expect with Humboldt Nutrients Verde. Used as a foliar spray or as ...

Designed for use with ordinary construction vapor barrier to seal off work zones, this adhesive-backed zipper is perfect for creating a simple, res...

Mammoth P Microbes is an organically derived microbial inoculant for growing plants that maximizes phosphorus and micronutrient cycling to maximize...

The Measure Master scales can be used for a variety of different purposes, including the precise measuring of fertilizers and dry nutrients. Meas...

The Measure Master's Garden Syringes are great for measuring nutrients, supplements and pesticides. These syringes are a clean and accurate alter...

All-purpose Measure Master Graduated Containers feature easy-to-read US oz and metric mm graduations. Positioned right on the container is our si...

General purpose measuring shot glass. Graduation measurements include teaspoon, tablespoon, ounces and milliliters. Clear glass for easy and accur...

These Pipettes, unlike their glass counterparts, will not shatter or break. Measure Master's Sterile Pipettes should be used only once so that th...

Heavy duty, oilless (water cooled) multipurpose pump suitable for water control: basement/indoor flooding, plant watering, water recirculation and ...

Liquid concentrate fertilizer that supports lush vegetative growth. Designed to enhance plant size and structure, allowing for more abundant fruit...

Spinosad is an organic compound produced by fermentation that kills pests feeding on treated plant material. Sunlight and soil microbes break it do...

For effective control of: Phytophthora diseases associated with Sudden Oak Death (SOD) Downy mildew, phytophthora & pythium in ornamentals &a...

Use Monterey Take Down Spray to control a wide variety of garden pests from aphids and whitefly to caterpillars and scale.Monterey Take Down Spray ...

Mother Earth’s Perlite is a 100% natural siliceous rock that expands up to 20 times its original volume when heated to 1600°F. This heating process...

Lightweight expanded clay aggregate made in Germany. This natural clay is mined, formed into pellets, then kiln fired at high temperatures to c...

Purpinator is a specialty nutrient additive formulated to deliver increased terpenoid and flavonoid production, resulting in a higher concentration...