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Heavy 16 nutrients are Professional grade Plant Nutrients. Heavy16 nutrients no- nonsense approach relies upon using the highest-grade ingredients, hand-mixing each batch in small quantities (micro-batching) to ensure quality and freshness, and providing everything a crop needs in a simple, two-part formula. Heavy 16 is a potent nutrient, designed for serious growers looking to get big yields of maximum quality on every harvest no matter if you’re growing hydroponically or just growing in a pot. Heavy 16 fertilizer works well on most all plants from huge tomatoes to small herb plants. HTGSupply is one of the largest sellers of Heavy16 nutrients in the country; we have a huge stock, quick and secure shipping and unbeatable low pricing. The Heavy 16 reviews are in from our customers and they love it, especially the great Heavy 16 Fire nutrient! See our great Heavy 16 sale prices in the listings below.


HEAVY 16 NUTRIENTS ARE PROUDLY MADE IN CALIFORNIA!

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Heavy 16 Complete Nutrient Starter Kit

High quality nutrients make happy plants!

$258.62
Heavy 16 Veg
Big Grower Preferred!
$12.55
Heavy 16 Bud
Big Grower Preffered!
$12.55
Heavy 16 Complete Nutrient Pro Kit

Superior Quality

$425.90
Heavy 16 Finish
$27.00
Heavy 16 Fire
Big Grower Preferred!
$90.00
Heavy 16 Foliar
Big Grower Preferred!
$44.95
Heavy 16 Prime
Huge Discounts While Supplies Last!!! 
$26.95
Heavy 16 Prime Concentrate
New Formula!
$32.40
Heavy 16 Roots
It's Finally Here!
$89.99