![5 Reasons Why PPM™ Is Better Than Antibiotics In Eliminating Contamination - Plant Cell Technology | Your partner in plant tissue culture 5 Reasons Why PPM™ Is Better Than Antibiotics In Eliminating Contamination - Plant Cell Technology | Your partner in plant tissue culture](https://cdn11.bigcommerce.com/s-sfwp5/product_images/uploaded_images/5-reasons-why-ppm-is-better-than-antibiotics-in-eliminating-contamination.jpg)
5 Reasons Why PPM™ Is Better Than Antibiotics In Eliminating Contamination - Plant Cell Technology | Your partner in plant tissue culture
GrowAce.com - What do I do to increase PPM in very soft water? Before adding nutrients the water PPM is below 25PPM. I think the nutrient solutions assume water PPM of as
![PPM in Action: An Experiment on PPM Effectiveness - Plant Cell Technology | Your partner in plant tissue culture PPM in Action: An Experiment on PPM Effectiveness - Plant Cell Technology | Your partner in plant tissue culture](https://cdn11.bigcommerce.com/s-sfwp5/product_images/uploaded_images/ppm-contamination.jpg)