TNB CO2 Enhancer Refill Grodan Substra Flores is available in

Substra Flores is available in a hard water and a soft water version

All-Natural & Safe: Composed of organic materials with no hazardous

or commercial air scrubbing

seed starting

Its high purity and water-solubility make it an ideal fertilizer for fertigation and for foliar application

TNB CO2 Enhancer Refill Grodan Substra Flores is available inThe TNB Naturals Enhancer CO2 Refill Pack (240g) is an eco friendly, cost effective way to replenish TNB CO2 generator bottles. It allows growers to reuse the original canister by simply adding the organic powder mix and warm water, providing up to 2 weeks of natural, 1200 PPM CO2 production to boost plant yields. Eco Friendly & Sustainable: Designed to reuse existing TNB plastic bottles, reducing plastic waste while saving money. Easy Activation: To