Shelf Life

Kentucky bluegrass, Fescue, Rye and Bent, etc
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mobiledynamics
Posts: 128
Joined: April 16th, 2019, 8:08 am
Location: LI, NYC
Grass Type: KBG / going to try TTF
Lawn Size: Not Specified
Level: Not Specified

Shelf Life

Post by mobiledynamics » July 6th, 2020, 8:32 pm

OT, but what's the consensus of herbacides, Pre-M, etc. I really ought to check if my stuff has best use dates. I'm the type that does believe when buying things to look at batch code dates, deciphering if batch codes like 020034899 is a batch code date, or if the manuf. uses something cryptic that they can only decipher. I always look for batch code dates, just to make sure product is fresh. Which got me thinking about the shelf life of the products I use on the lawn....which I've never actually put much thought into, aside from the fact that I keep 75% indoors, just because it's -cooler and more ambient temp controlled- than my garage

Aether
Posts: 93
Joined: April 16th, 2020, 7:48 pm
Location: Central Virginia
Grass Type: Tall Fescue
Lawn Size: 10000-20000
Level: Experienced

Re: Shelf Life

Post by Aether » July 11th, 2020, 8:21 am

I try to only mix enough spray product liquid for what I need per application and not store any mixed content. I have resealed concentrate liquids that I bought about two years that still seem to be effective. Not storing for two more than years is a vendor recommendation in the below document:

Cornell University - "Shelf Life of Pesticides"

http://psep.cce.cornell.edu/facts-slide ... -life.aspx

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