$23.38
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Hydrofarm Active Air COTEST CO2 Tester Kit
More than 10 available
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Shipping: US-Mainland: free (more destinations)
Condition: Brand new
*The store has not been updated recently. You may want to contact the merchant to confirm the availability of the product.
We recommend measuring CO2 periodically to ensure optimum levels for growth. The Active Air CO2 Test Kit is an inexpensive alternative to costly electronic monitors. Use the tester kit to gauge proper CO2 level, as well as eliminate waste and optimize growth. The kit is inexpensive and easy to use, and includes instructions.
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