seed startingGrodan Rockwool Starter Cubes (1-inch, 50-pack)★★★★★ 4.6~$30Buy Now on AmazonSee full detailsSee full comparison
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General Hydroponics RapidStart Root Branching Enhancer — 125ml
★★★★½4.6 / 5
~$16Buy now on Amazon (opens in new tab)About this product
A root branching stimulant that accelerates lateral root development in seedlings and transplants — add to the reservoir for the first two weeks of every new grow.
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