Best in 7 days
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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 30 - Jul 5
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Grodan Gro-Block Improved GR7.5 Medium (4x4x3.1) w/HoleGrodan Improved GR7. 5 Medium 4"x4"x3. 1" 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
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.4 ★★★★★
Based on 1901 reviews
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Product Reviews
★★★★★ 5
Late and damaged box
Nice but arrived to late
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026
★★★★★ 5
Amazing Product!!!
It’s a great fit for my 2017 Honda accord! And there was defiantly improved function in my car! It defiantly saves me money and is a good price for what it is. It also made my car smell a thousand times better!
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Reviewed in the United States on July 20, 2025
★★★★★ 5
Fits great
Perfect
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Reviewed in the United States on December 30, 2025
★★★★★ 5
Still going strong
Still going strong
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Great product!
I would buy it again, super effective!
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Reviewed in the United States on November 7, 2025
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