Pay in installments of $24.93 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 29 - Jul 4
For Your Every Summer RSVP, with Code: SUMMER15
Description
Seachem Alkaline Buffer - 4KGAlkaline Buffer is a non phosphate buffer designed to raise pH and alkalinity (KH) and buffer with Acid Buffer. These buffers are designed for the planted aquarium or for very hard water where phosphate buffers may pose an algae or cloudiness problem. Alkaline Buffer raises pH and buffers between 7. 2 and 8. 5. It is gentle, safe, and enhances the freshwater environment. What distinguishes Alkaline Buffer from other buffers is that it does not contain

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
4.5 ★★★★★
Based on 1688 reviews
Sort
Product Reviews
★★★★★ 5
👍
Fits.
Works.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 13, 2025
★★★★★ 5
Product quality.
This is a 1st time we are using this product; it seems working as it should, build quality is good for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 11, 2025
★★★★★ 5
Great item!
Great item a must buy 😁
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
★★★★★ 5
Fits 2007 Honda crv.
It fits my 2007 Honda crv and sealed very well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
★★★★★ 5
Fits 2007 Honda CRV
Fits 2007 Honda CRV.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2025




