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Grodan Gro-Block Improved GR5.6 Large (3x3x4) w/Hole HRG Zero CFM loss

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SKU 73973322550
USD119.83 USD159.83

Pay in 4 interest-free payments of $29.96. Learn more

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 16 - Sep 21

Fjord side

Cool mist, calm waters

Layered blues for a quiet Nordic mood—built for long scrolls and clear product focus beside the sticky cabin window.

Cabin side

Warm timber accents

Wood-toned frames and chip trails keep the buy box grounded—harbor calm meeting cabin warmth without clutter.

Description

Zero CFM loss

FDA approved

Do not rinse

two slots for custom plant inputs

Grodan Gro-Block Improved GR5.6 Large (3x3x4) w/Hole HRG Zero CFM lossGrodan Improved GR5. 6 Large 3"x3"x4" Gro Blocks optimized wool structure allows for faster rooting in and nutrient solution replenishment. New and improved wetting agent and hydrophilic technology greatly enhances the water characteristics giving even better water distribution over the height of the block. This results in greater plant development and steerability and more efficient use of water and nutrients. All while the Gro Block Improved

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy

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