Other aid. Need-based financial aid may be adjusted if you subsequently receive additional aid (scholarships, grants or loans). Private scholarship awards may reduce Board of Governors equity awards, loan eligibility or other aid.
Ways to Reuse Potting Soil. The easiest way to reuse old potting mix? Simply remove old plants from their containers, fluff up the soil and replant. If you've reused the same soil for several years or it's developed a white surface crust, you may have to cut it with 50 percent new potting soil and/or apply fertilizer.
However, smaller growers with just a few slabs of used rockwool can recycle the material by shredding it and reusing it as a growing media, as a component of potting mixes, or by incorporating it into outside soils and gardens. Practical Questions from Hobby Growers with Detailed Responses from Professionals