Simple 55p item will 'kill weeds between concrete for good' says expert

Weeds have a knack for sprouting up anywhere in , including between patio slabs. But there might just be a way to banish them "for good". A viral hack has been doing the rounds recently that promises to stop weeds from popping up between concrete areas like patios and driveways "for good".

The TikTok trick, originally posted by Dr Janine Bowring, involves mixing one part salt with two parts water, giving it a stir, then pouring it over weeds sprouting through gaps in the driveway or pavement to kill off the green invaders. However, expert at PriceYourJob, Harry Bodell, has weighed in on this tip after spotting it.

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He explained: "This method works by essentially dehydrating weeds. Salt disrupts the weed's ability to soak up vital nutrients such as potassium, magnesium and calcium.

"The interference in nutrient absorption weakens the plant's overall health, causing it to dry out from dehydration and die. The salt technique stops weeds from growing further. There are certain ions present in salt which can be harmful to plants.

"When built up in high concentrations, it messes with natural processes like photosynthesis, leading to cell damage and dehydration of the plant."

So how does the gardening expert suggest using this natural weed killer?

Harry advised: "Once you've whipped up your salt solution, gently pour the mixture over gaps between paving slabs on garden paths, specifically focusing on areas where weeds are currently poking through.

"It's important to do this on a particularly dry day so humidity and rain don't wash away the solution.

"Overnight, the solution will work on drying out the plant to the root, making the weed easy to remove the next day."

Yet, Bodell also warns against overuse of the solution to prevent harming other plants, reports .

He pointed out that although salt can "effectively kill weeds", it may build up in sand and soil and subsequently "affect the growth of other plants".

Therefore, use it cautiously and solely in patches where you don't want plants sprouting, as it can influence the future growth of flora.

Salt is an extremely affordable commodity, likely already in your cupboard. If not, you can get salt for a mere 55p from or find it at various local at a comparable price.