Best in 7 days
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Ships within 48 hours · Estimated delivery Oct 11 - Oct 16
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Power SI Original 1 LiterA little goes a long way with Power Si the original patented formula of monosilicic acid for plants. Power Si is proven to show benefits toward your crop's yield, vigor, strength and lateral branching. Power Si does not raise the pH of your water and is tank stable, so it's safe to leave inside your reservoir without creating any unwanted residue. Power Si can slow down vertical growth in crops with easy double dosage change to 1 ml per gallon of
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 155 reviews
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Product Reviews
★★★★★ 4
It’s a nice shirt, I buy again
Size: X-Large, Color: Black
It’s a nice shirt, I would buy again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 2, 2025
★★★★★ 5
Polo Shirt
Size: X-Large, Color: Cardinal Red
Runs small
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
★★★★★ 3
Sleeves short
Size: Large, Color: Black
More of a slim fit and the sleeves are very short
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Reviewed in the United States on April 30, 2017
★★★★★ 5
The winner is…
Size: X-Large, Color: Liberty Navy
I’ve been looking for some good quality polos for a while but it gets frustrating when you’re not someone who likes the labels/logos all over the place. After looking and ordering many polos, this was exactly what I was looking for. High quality materials and fit was perfect all around (length, chest). I already ordered two more.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2022
★★★★★ 5
Great combination of cotton and polyester
Size: Medium, Color: White
Great shirt...I am an athletic, fit 68 year old male and the cotton/polyester combination is perfect! Leave the straight polyester shirts for the young guys! Great shirt for playing golf.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 21, 2023
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