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Complete Grow Tent Packages

Complete Grow Tent Packages

Start growing indoors today!

Complete Nutrient Packages

Sun System Reflectors on Sale

Deep discounts on many reflector models!

Hydrobuilder Warehouse Deals

Grow Tent Blowout Sale

Hydrobuilder grow tents on sale now!

Hydrobuilder Learning Center

Expert growing advice and tips!

Supplements & Additives

Hydrobuilder carries the best supplements and additives on the market to help with growth and root development. We carry more than 60 manufacturers as well as containers in sizes from 1 liter to 55 gallons. These supplements can contain micronutrients, vitamins, acids, silicon, and more. Many manufacturers offer combinations to give your plants what they need to grow big and develop strong root systems.