TNB Naturals is a Canadian horticultural brand based in British Columbia, specializing in natural CO₂ enrichment and plant care supplements for indoor growing. Best known for its refillable CO₂ generators, the company offers a practical alternative to compressed gas systems for supplementing carbon dioxide in grow tents and cultivation spaces. Its range also includes natural plant nutrients, kelp-based soil amendments, granular pH adjusters, and growing accessories. By combining accessible CO₂ supplementation with straightforward plant nutrition solutions, TNB Naturals serves home growers and hydroponic enthusiasts looking to manage their growing environments and support plant development.