Active Air CO2 Test Kit water-pumps-&-irrigation-supplies Mechanical mode of eradication doesn't

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Active Air CO2 Test Kit water-pumps-&-irrigation-supplies Mechanical mode of eradication doesn'tWe 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.