CO2 monitor w/PPM sensor for CO2-2, CO2-4 & CGC-1

Hydroponics is a method of growing plants using mineral nutrient solutions, in water, without soil. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium, such as perlite, gravel, mineral wool, or coconut husk
Shop our new Hydroponics Store for lower prices and our Deal of the Day items! ( note, copy the stock number of the item you are looking for and paste in the search box on our new site to go back to this item.)
volume discounts available
$75 min order on all hydroponics
huge selection - everything you need
Free Shipping Additional shipping charges may apply on large / heavy items Hydroponics Shipping Details