Please allow up to 1-3 business days to process an order and 3-5 days to receive tracking. It normally takes a total of 7-14 business days to receive your item once your order is placed.
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.