Greenhouse Sale - TAKE 5% off select Greenhouse Kits! - Call for details

Expansion Regulator

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

Our Price: $79.95
List Price: $$79.95
our new hydroponics site
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.)
Stock #SECO2-EXP

volume discounts available
$75 min order on all hydroponics
huge selection - everything you need

Free Shipping on orders over $999!
Usually ships within 3 days


Add Items to Cart


Free Shipping Additional shipping charges may apply on large / heavy items Hydroponics Shipping Details

Works with the CO2-REG. When used together, more than 1 tank can be coupled together to extend the time between tank changes. The CO2-EXP CO2 expansion regulator assembly comes ready to install. Requires the CO2-REG. 120v

Sentinel has taken digital accuracy and combined it with ease of use. Its one-touch functions make using its products easy. Gone are complex sub menus that are confusing and time consuming to navigate. Many of its products will serve more than one function (such as heating or cooling control) making them extremely flexible and capable of being used in many situations. All Sentinel products were designed to maintain a very high degree of reliability while performing critical functions. In some cases Sentinel offers innovative designs that are so unique there really are no other products available for comparison.

BONUS COUPONS