We have half a large bag of Scott's SummerGuard fertilizer that has
large caked lumps in it -- not clumps of granules, but huge
"crystalline" blocks. I don't think it ever came in contact with water;
rather, it absorbed moisture from the atmosphere.
It's too late to use it this year, but is there a reasonable way of
using it next year? Dissolve it in water and spray it on the lawn? But
how to calculate the application rate?
On Thu, 05 Sep 2013 18:42:41 -0400, "Percival P. Cassidy"
My first option would be to call Scotts and see what they have to say.
I think they may be able to help.
Call Us. Scotts Help Center experts are available toll-free at
My next option would be to weigh portion of the good stuff and then
spread it. If say, 5 pounds covered 500 feet you figure a pound per
hundred. Then I'd dissolve a pound of the chunk in water and spray
that over the same pound (or whatever) per hundred square feet. .
It might not be as simple as that: some substances "grab hold of" the
water molecules when they get wet and then crystallize, so a given
weight of the crystalline stuff might not be equivalent in potency to
the same weight of the granules.
On Thursday, September 5, 2013 6:49:17 PM UTC-4, Ed Pawlowski wrote:
That fertilizer is made to dissolve slowly over time.
If he dissolves it and then sprays it, he's getting nitrogen
that is supposed to be released over about 4 to 6 weeks all at once.
He could still do it, but he'd have to reduce the application rate
appropriately. If he does, I'd start by testing it on a small section.
I'd say use it for something other than the lawn, but the formulation
isn't very suitable for general plant use. And doesn't Summerguard
have insecticide or herbicide in it too?
On Thursday, September 5, 2013 5:42:41 PM UTC-5, Percival P. Cassidy wrote:
caked lumps in it -- not clumps of granules, but huge "crystalline" blocks
. I don't think it ever came in contact with water; rather, it absorbed moi
sture from the atmosphere. It's too late to use it this year, but is there
a reasonable way of using it next year? Dissolve it in water and spray it o
n the lawn? But how to calculate the application rate? Perce.
Canvas bag and sledge hammer or drive over it with a heavy vehicle. Or, di
ssolve it with water and spray water on lawn, or use it around plants in a
flower bed or foundation planting.
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