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Starter MINI-BLOCKS™ can sit in a tray (flat) without support for easy starting of seeds and cuttings.
They are individually wrapped in white plastic to minimize algae growth.
For best results put them on the flat side of the GRO-SMART Tray™ to ensure good airflow around the cubes. Remove wrapping and transplant into any loose media such as GROW-CUBES™ or GROW CHUNKS™, or leave wrapping on and set on top of a larger GRO-BLOCK™.
These cubes are popular for production of aquatic plants. The advantage MINI-BLOCKS have over A-Ok Starter Plugs™ and MACROPLUGS™ is that MINI-BLOCKS can sit in a tray without support.
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Grodan Rockwool is an excellent quality stonewool substrate with a very high water holding capacity. Rockwool is absolutely free of disease, salts, and weed seeds. It has no Cation Exchange Capacity (CEC) so growers can take advantage of a nutritional program specifically tailored to their choice of crop. Set your plants into the Rockwool blocks then place those on top of the slabs. The roots will grow through the block and the slabs.
Nutrient solution may be applied through a spray or drip-emitter either directly to the slab or through the growing blocks. Blocks are commonly used for germination of seed and rooting cuttings. The vertically-oriented fibers in the blocks promote good downward root growth.
| Weight | N/A |
|---|---|
| Dimensions | N/A |
| Available options | 1 Sleeve (contains 45 x 1.5" cubes), 1 Case (contains 50 sleeves = 2250 x 1.5" cubes) |
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