The "maxi" single soil blocker makes a single 4" soil block, perfect for starting small seeds and nesting 2" Mini soil blocks into. Soil Blockers are easy to use and made of robust zinc-plated steel construction. They provide a high rate of germination and easy blooming. Soil Blockers are one of the most efficient gardening tools available, inexpensive and maintenance free! Over 4% of the worlds oil production goes into creating plastic and a further 3% to manufacture it. You can help reduce our global waste by using organic gardening tools such as the Soil Blocker.
It is best to wet your mix some hours before you make blocks to improve penetration of water into the planting medium.
* Nitrogen helps plant foliage grow strong. Phosphorous helps roots, flowers, and fruit develop. Potassium is important for overall plant health.