Galvanized steel - or galva as we call it - is a well-known treatment of steel, where a zinc treatment makes the metal extra hardy and maintenance-free. All byJEMA galva products are made of hot-dip galvanized sheet, laser cut, bent and bolted together.
As the hot-galvanized surface is broken by laser cutting, some form of rust may occur in joints. You could say that approx. 1/3 part of the galvanizing is "pulled" through the cut and thus will be approx. 2/3 part bare steel remaining. Over time, this cut will develop some form of corrosion and get a darker color than the other sheet metal parts. Incidentally, in the same way that the galvanized surface over time, color changes from a shiny surface to a more matte surface. All byJEMA products, plant basins and steel benches, are designed with these cut in mind.
Do not worry about the durability of galvanized steel plate. It is extremely durable in the harsh Scandinavian climate, and possibly Scratches - or the cut for that matter - have an ability to repair themselves as the zinc continues to develop a protective layer.
Occasionally, you may want to clean the galva plates with lukewarm water and a soft cloth or sponge. Never use detergent on the surface.
If the soil, sand and dirt have settled on the surface, it may be a good idea to clean the dirty sheets as there is a greater risk of white rust in dirty areas.
Does the steel damage the plants?
You can grow and plant all kinds of vegetables and plants in this planter. Steel is a natural material and will not emit toxic substances to your vegetables. If you are still in doubt, we recommend that you line the box with a plastic foil, flamingo, insulation mat or similar. This will also insulate the soil from the sides of the box and extend its life.
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