Nouvelle 22++ Pretreatment. However, these pretreatment conditions are unnatural and essentially provide starvation conditions for the microbes as vermiculite is totally lacking in nutrients. Any treatment received before some other process. Please support us so we can continue to provide you with. Treatment administered beforehand | meaning, pronunciation, translations and examples. Pretreatment - Water Pre Treatment Plant Bim Corporation 76 фраз в 26 тематиках. A substance used for such treatment.