EVG 20mm x 25m Copper Slug Tape | Adhesive Copper Slug Snail Repellent | Slug Deterrent Barrier Tape | Humane Pest Control

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It’s that time of year when slugs and snails creep out of the woodwork ( quite literally) and look for sources of food after their winter hibernation. My alliums are currently being ravaged and I’m out in the garden with a torch at 10pm on most evenings removing the hungry little beasts. Last year I conducted some tests to disprove the value of egg shells, pistachio nut shells, hair and chilli powder in preventing slugs and snails from eating our plants, all were easily crossed by snails. Young chopped brambles were a surprise snail barrier success though. Hayley grew 108 lettuces in a series of nine patio pots and nine raised beds and monitored them for six weeks. Serrated to provide extra protection against snails, Copper Slug Tape is a popular alternative to more chemical-based solutions. These methods were tested on 108 lettuces sown in pots and raised beds at the RHS field research facility in Wisley. After six weeks, the leaves of each harvested lettuce were examined to calculate damage. Use this attractive, dual purpose Butterfly House and Feeder to offer butterflies food in the summer and shelter in the winter.…

The green patina developed on copper metal over time is a copper carbonate salt and could be toxic.

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Regardless of the use of copper strips or electricity, some types of slugs have been know to drop down from overhanging trees or even lower themselves down a slime trail.

Copper DOES work as a slug and snail barrier if the percentage of copper alloy is high enough and the width is in excess of 4 cms. Don’t waste money on any of the other ‘gardening’ products tested above and be cautious of using anything else that comes in a similar sized box ( or from a matching production line…). In the case of the snail we have the copper, and the electrolyte in the form of slug slime.The second electrode is missing. Also missing is the connection between the two electrodes which allows the current to flow. I don’t believe that putting slime onto copper will produce an electric charge. Does Copper Repel Slugs?While this research hasn’t shed any light on what you can do to obstruct slugs and snails, it has at least shown that these barriers can be unreliableand ineffective. But Dr Hayley Jones, entomologist at the RHS and lead researcher, said: “With the likes of eggshells, barks and mulch so far proving no discernible deterrent to slugs and snails, we would recommend using proven formulas like nematode biological control if the damage is just too much to bear.”

Clearly you like Teh Science so here’s a data base of studies for inverts. http://www.pesticideinfo.org/List_AquireAcuteSum.jsp?Rec_Id It is the tiny electromagnetic charge a slug or snail feels when it tries to cross Copper Slug Tape which prevents them from reaching the plants and crops.So pleased, daren’t put anything outside, especially with all the rain we’ve had without the tape. We tried it last year for the first time and it really did work. Thanks again.