Welcome, HALO! by Jenna Messier After much anticipation, ICT Organics released its new 25(b) weed killer,  HALO , this Spring!  Our customers have been trialing the product over the past few months, and we have heard  some great reports  about the efficacy of this product.   Here are some tips for using HALO: HALO offers two rates of application, per the label, which you will choose depending upon the weed pressure in your lawn. Low Rate: 7 oz. HALO in 1.5 to 2 gallons of water per 1000 sq. ft. High Rate: 10 oz. HALO in 1.5 to 2 gallons of water per 1000 sq. ft. Spot spray: 10 oz. in 1 gallon of water. Additional Tips from the Manufacturer: To maximize results of HALO, apply with  PRE-EMERG  liquid, a product also produced by ICT, pre-emergent weed killer to kill both visible weeds (with HALO) and weed seeds (with PRE-EMERG). HALO and  PRE-EMERG  are ...