So does it take longer to get going than you first thought or are you going to try something different,the reason i asked is because there are a few places near me where the green sphagnum grows,i have picked some of it to put between the rows of plants in the greenhouse,and it does a great job of keeping the water clear,but also grows quite quick probably trying to reach the light,but the places that it grows near me are very shaded and after afew days of picking you would not know that i had had any,as it as grown back