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ProGro MP4 Mix is a high porosity, professional-grade peat blend loaded with four types of beneficial mycorrhizal fungi. When combined, these mycos help to improve nutrient uptake to help encourage vigorous root structure development. Elevate your substrate with MP4’s complete mix and see what your plants have been missing!
- Formulated for professional hydro growers
- High porosity for consistent moisture & aeration
- Four species of beneficial mycorrhizal fungi
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