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- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 15 - Jun 20
For Your Every Summer RSVP, with Code: SUMMER15
Description
Advanced Nutrients pH Up (1L)Say goodbye to nutrient lockout and hello to heavier harvests. Our scientists engineered pH Up with potassium hydroxide and pH Down with Phosphoric Acid, so you can easily achieve the ideal pH levels for optimal nutrient absorption. Weve developed these highly stable buffers to give you precise control over your pH, even after dilution or adjustments between reservoir changes. Recalibrate pH levels with maximum buffers Highly concentrated formulas for

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
4.8 ★★★★★
Based on 1891 reviews
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Product Reviews
★★★★★ 3
Runs large for a slim fit
Color: Black 02, Size: Large
I followed the size guide and ended up with an item that was to large in all areas. It did not fit like a slim fit. The fabric is odd and does not feel great against the skin. I love the design. I really wish it would have worked.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Prom 2026
Color: Blue 02, Size: Medium, Color: Blue 02, Size: Medium
Perfect fit true to size
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Reviewed in the United States on April 29, 2026
★★★★★ 4
Not true to size but great quality.
Color: Black 02, Size: Medium
I bought a medium for my son who normally wears medium. It was extremely big. The quality and arm length was good.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Nice suite
Color: Black&red, Size: Small, Color: Black&red, Size: Small
Delivery was on time. Suit fit perfect I bought it for my son 8th grade dance. It was worth the money and quality was good
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Does run big
Color: Black 02, Size: Small, Color: Black 02, Size: Small
Very nice suit but it does run big and I had to get it tailored! I really should have purchased the Xtra small for him!
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Reviewed in the United States on May 10, 2026




