Grodan Rockwool MACROPLUGS™ (50-count bags)

Grodan Rockwool MACROPLUGS™ are round and have a slit that allows for easy insertion of a cutting or bare-root plant.  These plugs also fit perfectly into Grodan GRO-BLOCKS™

For best results with these MACROPLUGS™, always insert them in the Grodan GRO-SMART™ tray. The individual cells will make sure that the plugs stay closed around the stem of your cutting.

Try out our MACROPLUGS™ today and see what you have been missing!

MACROPLUGS™ come in convenient 50-count bags.

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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.