i've used cultrine several times,no expert here.what i did is put 2 gallons in sprayer with 3 gallons of water from pond and drove golf cart around and sprayed everything i saw on the edge and hit the shallow water spots.seem to work just fine for me.the only problem i have is it does come back in 6-7 weeks.next time i use it i will make a stonger batch are just apply more to the same spots.
