By creating your own concrete mold out of cardboard boxes, you can completely customize the style and size of your planter to ...

Apply with a garden or tank sprayer, which are sold separately. For outdoor use, look for a bleach-free mold and mildew remover. Diluted liquid chlorine bleach removes mold from concrete ...

That’s not the only use of the technique though, and perhaps one of the simplest is to use a 3D-printed mould for casting concrete. It’s what [ArtByAdrock] is doing in their latest video ...