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Arthur Fleck

Sizes of rock wool cubes

Hey first time on here just wondering what size rock wool cubes needed from seed to harvest I'm using 80x80 cm tent and nft gt 205 system also how many plants do you think I could fit ? 

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1 plant. 1 inch starter block, then into a 6 inch block would be my preference. Some might prefer a 4 inch block. 1 plant in nft can easily fill 80 x 80, once you gain experience from a few grows you'll know whether to stay with 1 or try more smaller plants. But I'd start with 1, and I'd probably end up sticking with 1.

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