PALLET PLAGRON PROMIX 50L (60 BAGS)Plagron Promix is ?? made from carefully selected peat. The addition of various types of perlite and fiber to give the Plagron soil quality a lightness and optimal oxygen level. Promix contains no fertilizer, only Plagron worm humus. The earth worm humus, healthy and rich microbial life, and allows you to enable the organic fertilizer that must be added from the first day. Promix is ?? therefore the breeding ground par excellence for those who want to