Best in 7 days
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Shipping Estimate
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 4 - Jul 9
Promo Codes Available:
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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 1903 reviews
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Product Reviews
★★★★★ 5
good
Size: 11S-25Pack
It doesnt feel like the original Eufy Brand but still very good.
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Reviewed in the United States on May 11, 2026
★★★★★ 4
Workable but not as tight to fit
Size: 11SMax-24Pack
They work, but they don’t click in as smooth as the original pieces did
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Reviewed in the United States on January 20, 2026
★★★★★ 5
Fast shipping, items as advertised.
Size: 11SMax-24Pack
Perfect fit.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Works for my G30 Verge
Size: 11SMax-24Pack
Fit my G30 Verge. Works well and brought it back to life. Great value for the money!
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Reviewed in the United States on January 15, 2026
★★★★★ 5
Fits my Eufy
Size: 11SMax-24Pack
Parts fit my Eufy like they should. The side brush has held up nicely.
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Reviewed in the United States on April 26, 2026
