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Are you buying more garden chemicals than you actually need? We’ve found some weed and bug killers that claim to be for different purposes, but are actually identical in all but name.

So the Which? Gardening team headed for a garden centre and picked up three products from William Sinclair – Nettle Killer, Bramble Killer and Deep Root Ultra Path & Patio Weedkiller.

Despite nettles being rather different from brambles and deep-rooted weeds, all three of these bottles contained exactly the same concentration of the active ingredient, glyphosate.

Next to come under scrutiny were two products claiming to rid your beds of pesky bugs – Growing Success Fruit & Veg Bug Killer and Growing Success Shrub & Flower Bug Killer. Both contained identical amounts of pyrethrum, according to the labels.

Continuing with this trend, we found that big-name Bayer’s Path Weedkiller Concentrate and Long Lasting Ground Clear have the same formulation. And it’s the same story with RoundUp Weedkiller and RoundUp XL Tough & Deep Root Weedkiller ready-to-use spray

Taken from Which magazine March 2012.