🚚 Free Worldwide Shipping on All Orders!Shop Now

Home Shop Cart Account

Grow Lights
Hydroponics
Plant Nutrients
Environment & Tents
Garden Care & Soil
Propagation
Harvest & Extraction
Shop by Brand

Collection

Diamond K

Subscribe to our newsletter for exclusive offers, new arrivals, and style inspiration.

Shop

All Products
New Arrivals
Sale

Company

Shipping Info
FAQ
Contact Us

About

About Us
Returns
Privacy

© 2026 Hydrobuilder. All rights reserved.

Diamond K | Hydrobuilder

-70%NEW

Diamond K Premium 97 Solution Grade Gypsum, 50 lb. - Pallet of 30

$842.40

$252.72

New70% OFF

-70%NEW

Diamond K KMS 0-0-21.5 Solution Grade Potassium, 50 lb. - Pallet of 30

$1,631.70

$489.51

New70% OFF