Mr tumble Posted February 23, 2021 Share Posted February 23, 2021 Hi looking for a bit of advice I have 8x3 nft tray set up looking for advice on size to cut holes. I'm using 4 inch rockwool blocks question is do I cut hole same size as block so it slots in or do I make a bit smaller and sit under then plant small blocks in them. Also best to leave plastic wrap on block or remove Cheers Link to comment Share on other sites More sharing options...
zen-ken Posted March 6, 2021 Share Posted March 6, 2021 Yes Link to comment Share on other sites More sharing options...
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