30% Off Refurbished Products
10% Off Eligible Purchases
5% Off Select Products
grow tent and TS series LED grow lights: 3% Off
5% off FC & FC-E & SP LED Grow Lights & Grow Tent Kits
Receive 3% Discount on Any Purchase
3% Savings on Order
3% off TS LED Grow Light, Tent, Ventilation
Take 3% Off Your Total Purchase
Receive 3% Off Your Total Order
Enjoy 3% Savings on Your Orders
Enjoy 60% Off Accessories
Grab 20% Off Your Clearance Order
Save 15% on popular 6-inch clip fans
Save 20% on Hot Seller Back in Stock
Save 20% on Specified Product
10% Off Select Products
Specified Product: $30 Off
$40 Off Specified Product
Get Free Gifts on Select Orders for Orders of $1500+
Free Gifts for Eligible Purchases for $500+
Get Free Gifts on Select Orders for Orders of $800+
Save 5% on All Products
Receive Free Gifts on Your Purchase Over $1000
Take Free Gifts on Item of $399+
Add a product Review on Mars Hydro for 300 points
1 point per $1 spent From Mars hydro
Birthday for 500 points on Mars Hydro
Sign up at Mars Hydro & get 300 points
Share a review about Mars Hydroproduct on social media and earn 600 points
Take a screenshot and contact Mars Hydro website customer service to claim 600 points
Get 25% Discount on Clearance Products
$50 Off Specified Product
Take 14% Off Your Purchase
Take 14% Off Anything
Specified Product: $60 Off
Clearance Offer: Save 25%
Get 25% Off Clearance Products
Enjoy 20% Off Maximizer Yield Month
Receive 25% Discount on Clearance
Spring Sowing Special: 20% Off