WHO KNEW? I did this, and I have NO weeds/grass growing in my pavers! 5 pound bags of Baking Soda at Costco for less than $5.00 - then : Sweep Baking Soda into Sidewalk Cracks to Discourage Weeds. Simply pour or sweep a thick layer of baking soda into sidewalk and patio cracks. The baking soda will kill any small weeds that are already there, and prevent new ones from sprouting Patios Crack, Simply Pour, Sidewalk Crack, Thick Layered, Weed Killers, Discouraged Weed, Baking Sodas, Sweep Baking, Small Weed
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Natural Weed Killer: Vinegar. Spray regular white household vinegar directly on weeds, adding a tablespoon of dish detergent and two tablespoons of vegetable oil per gallon to help the vinegar stick. This method will work best on small, just-sprouted weeds. For established weeds, purchase a stronger vinegar solution, available where garden supplies are sold. Twenty % acetic acid vinegar solutions can be sprayed directly on weeds or injected into the taproot with a syringeat the source.
Uses for White vinegar weed killer (spray generously on all parts of weeds, works best for weeds that get sunlight) dishwasher additive (put in place of spot remover liquid) Glass Cleaner (combined with a few drops of Dawn) Fabric Softener (6:3:2 hot water:vinegar:hair conditioner, mix water and conditioner first then add vinegar)
Baking soda and weeds ... A safe way to keep weeds and grasses from growing in the cracks of your paved patios, driveways, and walkways: Sprinkle handfuls of baking soda onto the concrete and simply sweep it into the cracks. The added sodium will make it much less hospitable to dandelions and their friends. Try it 2x/yr, spring and fall. Site has other ways to kill weeds.
Homemade Weed Killer Here is what you will need: 1 gallon of white vinegar 1/2 cup salt Liquid dish soap (any brand) Empty spray bottle Put salt in the empty spray bottle and fill it the rest of the way up with white vinegar. Add a squirt of liquid dish soap. This solution works best if you use it on a hot day. Spray it on the weeds in the morning, and as it heats up it will do its work.