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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
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Description
Advanced Nutrients pH-Down 6 Gallon / 23 LiterSay goodbye to nutrient lockout and hello to heavier harvests. Advanced Nutrients 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
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 2279 reviews
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Product Reviews
★★★★★ 4
Better than regular mouthwash
Flavor Name: Fresh Mint, Size: 16 Fl Oz (Pack of 1)
Works better than regular mouthwash. It's not miraculous but it helps dryness.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
★★★★★ 5
👍
Flavor Name: Mint, Size: 33.8 Fl Oz (Pack of 1)
Very Clean and just the perfect amount of taste as you swish! 👍
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 5
Mouthwash that doesn’t burn your mouth
Flavor Name: Mint, Size: 33.8 Fl Oz (Pack of 1)
I use it two times a day. I have very sensitive teeth and gums. It works very well. It is not too strong. Does not burn.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Mouth rinse that has no alcohol and works like no other I have experienced.
Flavor Name: Mint, Size: 33.8 Fl Oz (Pack of 1)
Biotene Oral Rinse mouthwash was the answer for a pre-rinse mouth wash, even before bed to leave my mouth sweet and moist. Instead of having to drink something or taste something - - - so I won't eat something before bed.
It's been a miracle answer for pre-bed and dry mouth during a sleep period and wakening dryer than I want to be. I used to use Biotene "dry mouth spray", now I don't have to because the Oral mouthwash is my go to! enough said!!
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Great for chemo
Flavor Name: Mint, Size: 33.8 Fl Oz (Pack of 1)
I ended up ordering this due to hearing mouth sores occurring during chemo. Using it twice a day to keep from getting the sours and it’s working great.
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Reviewed in the United States on May 17, 2026
