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Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
For Your Every Summer RSVP, with Code: SUMMER15
Description
Sumitomo Sumi Blue Dimond Growth Regulators - 5 KGSumi Blue Diamond is a plant growth regulator (PGR) that is used to improve the growth and yield of paddy crops. It is a unique and powerful PGR that has been developed by Valent Bioscience, a US based subsidiary of Sumitomo Chemical. Sumi Blue Diamond works by stimulating the production of gibberellic acid, a natural plant hormone that promotes cell division and elongation. This leads to increased tillering, plant height, and grain size. Sumi Blue

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
4.2 ★★★★★
Based on 691 reviews
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Product Reviews
★★★★★ 5
Good
Color: Silver
Good
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Amazing
Color: Gold
Amazing!!
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Reviewed in the United States on May 18, 2026
★★★★★ 1
Not worth price or size
Color: Green
Can was almost empty, didn’t even have enough to finish my hair , which is very shirt hair.
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Reviewed in the United States on April 4, 2026
★★★★★ 5
Green spray glitter
Color: Green
Very glittery and sprays good
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Reviewed in the United States on April 3, 2026
★★★★★ 4
Glitter everywhere
Color: Gold
Heavy coverage but beautiful
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026




