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More than likely it is good. there is a shelf life. Use it, if it works fine, if not then no harm done.

Roundup... | Answered on Oct 05, 2019

It is rain proof after 2 hours of application, so irrigate after 2 hours.

Roundup Garden | Answered on Oct 01, 2019

Roundup Pro
And for tough-to-control, or dense, annuals mix a solution of 2 ounces (4 tablespoons) herbicide to 1 gallon of water. Woody vines and dense brush need 13ounces (26 tablespoons) diluted in 1 gallon of water to kill them; apply to leaves in late summer for best result

Roundup Garden | Answered on Aug 18, 2019

Where did you find out about this, it is supposed to be a secret. Do not tell anyone.

Roundup Garden | Answered on Jun 16, 2019

The pump is a twist to unlock. Most likely you left it for a while tight screwed on. Push the handle all the way in.. Put a stick in the handle, then slowly unscrew it. This will give you more leverage.

Roundup 2 Gallon... | Answered on Nov 09, 2018

Push it up and down. If it does not pump then put 1/2 cup water on the stem of the handle and try again. sometimes the seal is not good and the water will do the seal.

Roundup Garden | Answered on Nov 09, 2018

2 percent will normally work with most stuff.

Roundup "" Weed... | Answered on Nov 09, 2018

Yes, but why? Just take it off, tap it sharply on the blunt end and most stuff will fall out. If not use a small wire and poke it out from the front.

Roundup Garden | Answered on Nov 09, 2018

No 'replaceable ' parts. buy a new one, and do not junk the old one, use it for spares.

Roundup 2 Gallon... | Answered on Nov 09, 2018

Just slowly unscrew the top. (this is the one used to fill with. )... When it starts to hiss, stop and let it blow out.

Roundup Garden | Answered on Nov 09, 2018

Almost all pump up sprayers are twist off. Push the 'D' handle (used to pump it up also) all the way in. This will have a couple of cogs that lock to the top of the unit. Then twist left (unscrew). It may take a heavy hand to get it started. If you have some silicone spray or grease, then put that on the rubber gasket before putting it back on, it will come off easier.

Roundup Garden | Answered on Nov 09, 2018

2 percent will kill just about everything.

Roundup Garden | Answered on Nov 09, 2018

read the label or check roundups website

Roundup Garden | Answered on Sep 27, 2018

leaking filler cap seal

Roundup Garden | Answered on Jun 04, 2018

roundup is a short life herbicide
That means that once mixed it effective life is deducing
Immediate application is required and the effect starts immediately
One the poison hits the ground it is loosing potency as its work is done
Storing in a clear plastic bottle allows sunlight to render it useless as well
So 5 hours is not a problem

Roundup Garden | Answered on May 28, 2018

Don't really catch your question, but 30 ml per liter is a good strong ratio. Some labels tell you to mix less, but not all weeds die if a weaker solution is mixed. Some more hardy weeds will not even turn brown. Also check the active ingredient grams per liter Ours are 480g/L. It differs from country to country as well as other suppliers selling it under another name.

Roundup Garden | Answered on May 11, 2018

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