"Beequip" food-grade treatment board - 30mm x 388mm

DIY oxalic acid and glycerin strips are now approved in Canada! Food-grade high-density cardboard. 11 g.

30 mm x 388 mm with 2 scores for easy folding. Hangs properly between frames.

Please consult the instructions for more details.

Glycerin and oxalic acid mixing instructions (Watch the videos for full instructions!)

Safety Data Sheet (SDS) for 99.6% oxalic acid

Oxalic acid label