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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 13 - Jun 18
For Your Every Summer RSVP, with Code: SUMMER15
Description
HEAVY 16 | PrimeHeavy 16 Prime is an ultra diverse liquid formulation designed for use at all times of your crops cycle. We have formulated Prime to be the centerpiece of the Heavy 16 program, but its chemistry allows for flexibility throughout cultivation systems and alternative feeding programs from aeroponics to outdoor soil crops. Benefits Improves overall plant nutrition Improves soil nutrient conditions for better crop yield Supports microbial populations


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
4.3 ★★★★★
Based on 1734 reviews
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Product Reviews
★★★★★ 5
Great bag!
Color: A-darkgreen, Size: 16 Inch
Best computer bag! I absolutely love the color and quality. It will last a long time. Fits my 16” computer with room
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
★★★★★ 5
Stylish, spacious, and perfect for travel
Color: Upgrade-apricot, Size: 16 Inch
This backpack is well-made and very practical for travel. It offers plenty of space, well-organized compartments, and feels comfortable to carry even for long periods. The design is sleek and modern, making it suitable for both travel and daily use. Great quality for the price.
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Reviewed in the United States on January 31, 2026
★★★★★ 5
Great quality and very practical
Color: Upgrade-apricot, Size: 16 Inch, Color: Upgrade-apricot, Size: 16 Inch
I’m very happy with this backpack. The material feels sturdy and well-made, with a smooth finish that looks elegant and easy to clean. The size is perfect—not too big or bulky, but still spacious enough to carry everything I need. The stitching and zippers feel strong and reliable.
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Reviewed in the United States on January 20, 2026
★★★★★ 5
Great quality for the price!
Color: Upgrade-darkgreen, Size: 16 Inch
Great backpack with lots of pockets. Due to the price I was worried about the quality, but I have used it for a few months now and it's holding up great. Love the color and would recommend!
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Reviewed in the United States on May 1, 2026
★★★★★ 4
Good for travel
Color: Regular-black, Size: 16 Inch
Good looking backpack for travel. Compact and good quality.
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Reviewed in the United States on July 29, 2025




