The heavey duty 4 inch are good. You can drop 1 or two inch ones that you used for clones into the 4 inch or six inch. The opening size of the heavey duty is not that great for perlite or cocofiber. Alot depends on how large you want your plant to finish at.

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karmaxul Reviewed by karmaxul on . Net Pot Size How big of a net pot should I use for a DWC setup. In a 5gallon bucket. What is the best size for the roots. What is the best kind? Rating: 5