Enhances plant structure and foliar development for robust growth
Increases yield and improves flower and fruit production for higher harvests
Boosts heat and cold tolerance, stress resistance, and light absorption for greater resilience
Suitable for all plant growth stages and all growing media including hydroponics, coco coir, and soil
Can be used as a growth enhancer with irrigation water or added to regular fertilizers for optimal results
Summarized by Shop
General Hydroponics Armor Si (0-0-4) is an all-purpose silica supplement that helps plants achieve strong stem and branch structure and foliar development. A healthy, vigorous plant boosts stress tolerance, light absorption, and flower production.
Think of Armor Si as a supplement that supports the foundation of the plant, from leaves to
The silica arrived quickly and efficiently and the customer service from happy hydro is phenomenal keep up the excellent work everyone on the happy hydro team highly recommend.
J
Justin · 16 days ago
Plants love it!!!
M
Matt · May 30, 2026
Great product.Packaged well.Fast ship.Easy transaction.
