How often do I apply liquid/granular Hydretain to my lawn?

Liquid Hydretain: You can apply liquid Hydretain at its full rate of 9 oz. per 1,000 sq. ft. once every 3 months or maintain monthly at 3 oz. per 1,000 sq. ft. rate after initial full-rate application. 

Granular Hydretain: You can apply granular Hydretain at its full rate of 2.5-3 lbs per 1,000 sq ft. once every 3 months or monthly at the 1/3 rate after the initial full-rate application.

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