Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 24 - Jun 29
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Description
Advanced Nutrients pH Up (23L)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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.5 ★★★★★
Based on 2050 reviews
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Product Reviews
★★★★★ 5
Best Mattress Pad!
Size: Queen
This is the best mattress pad you are going to find anywhere and the price is actually a bargain compared to all the other mattress pads I saw in the stores or online. Thought I needed a new mattress but all I needed was this comfy cover.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Comfortable!
Size: King, Unit Count: 2.0
After vacationing, I wanted to buy the brand of pillows used at the resort where we stayed because they were so comfortable. I landed on these pillows instead because of the reasonable price point. These pillows are every bit as comfortable. They are fluffy and supportive without being too heavy and stay cool. These pillows are comfortable and well made. They support both my head and neck and e long enough to use as a body pillow for side sleeping. I would recommend these pillows!
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Reviewed in the United States on September 24, 2025
★★★★★ 5
100% goose down
Size: King, Unit Count: 2.0
Love these down pillows, Absolutely perfect I can conform to any shape I want for comfort of my neck.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Great pillows!
Size: Queen, Unit Count: 2.0
Not too firm, not too soft. Holds shape well - my go to pillow. I’ve ordered these many times
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Fantastic pillow protectors
Size: Queen, Unit Count: 2.0
Perfect pillow protectors! Material is beautiful.
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Reviewed in the United States on May 16, 2026
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