Thumb Score: +6 Great time to replenish the stock if you use their products. http://www.chemicalguys.com/Chemicals_s/611.htm Our annual Labor Day Weekend sale is a Beat the Clock sale. Shop early, shop often because the discount drops by the day! Get these great discounts on chemicals (all products in the category below). September 2, 2015 - 30% Off --- Use Coupon Code ELAB3015 September 3, 2015 - 30% Off --- Use Coupon Code ELAB3015 September 4, 2015 - 25% Off --- Use Coupon Code ELAB2515 September 5, 2015 - 20% Off --- Use Coupon Code ELAB2015 September 6, 2015 - 15% Off --- Use Coupon Code ELAB1515 September 7, 2015 - 10% Off --- Use Coupon Code ELAB1015 September 8, 2015 - 05% Off --- Use Coupon Code ELAB0515 Conditions: Valid only on retail orders placed on ChemicalGuys.com on the dates provided using the provided coupons. Coupons cannot be stacked (i.e.