CO2GRO Pre-Weighed Refill PacksCO2GRO Pre Weighed Refill Packs for CO2 Generator Systems Keep your CO2 system running efficiently with CO2GRO Pre Weighed Refill Packs, available at Holland Horticulture. Designed specifically for CO2GRO generator systems, each refill pack contains the precise amount of materials required for one complete CO2 charge, ensuring consistent performance and hassle free operation. Pre Measured for Accurate CO2 Generation Each refill pack includes the

Specially developed formula for use in soil mediums

With automatic temperature compensation and a clear digital display

the solution tends to drop then rise in pH over 24–48 hours—this helps buffer fluctuations

No “cal-mag” required

Key Applications & Combinations

Completely organic formula

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exceeding growers’ performance expectations

Increases the useful surface of the roots meaning higher and better absorption of nitrogen

Bacillus circulans

Media-based systems require approximate 10-40% drain each day to keep the nutrients around the roots within acceptable concentrations

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