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Ships within 48 hours · Estimated delivery Oct 9 - Oct 14
For Your Every Summer RSVP, with Code: SUMMER15
Description
Seachem Marine Buffer - 4 KGMarine Buffer is the original and still unique buffer with a pK of 8. 3, designed to adjust pH to 8. 3 and maintain both pH and alkalinity(KH). It is formulated not to disrupt the natural ionic balance of marine water with prolonged use. Marine Buffer contains a natural balance of sodium, magnesium, calcium, and potassium salts of carbonate, bicarbonate, and borate, formulated for enhanced and lasting buffer capacity at pH 8. 3 without sacrificing

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
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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
4.6 ★★★★★
Based on 2271 reviews
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Product Reviews
★★★★★ 5
Vibrant colors
Color: Mz870-red Print, Size: X-Large
Very beautiful blouse & colors! I was very impressed with the quality and the soft material. Can use for casual everyday wear, but elegant enough to wear with heels and slacks. It came inside a compressed bag and folded neatly.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
as described
Color: A-mz721- Multicolor, Size: X-Large
This is loose and comfortable. Good fit for the sizing. Fabric is thin enough to be cool and thick enough that it does not show everything under the shirt. Cute, can wear anywhere.
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Reviewed in the United States on June 6, 2026
★★★★★ 4
Order larger size for "Loose Fit"
Color: Mz907-purple, Size: 3X-Large
I bought 5 or 6 of these tops in a variety of patterns and colors to get me through the summer. They're nice but expect smaller than US sizing by about 1 or 1 1/2 sizes. I ordered a larger size with that in mind and it fits to my body with no "loose fit" as shown in the advertisement.
The tag on the inside left is extremely annoying and just happens to be the best sewn piece, so remove with care or you'll have a hole in the seam. Ask me how I know.
The material has a bit of stretch and is somehow softer to the touch on the outside than on the inside.
Other than that, they're comfortable enough, lightweight but kept their shape and size when laundered, nice colors and patterns. One of the tops was a little more vibrant in color than pictured, but overall a good purchase for the price considering I didn't need to drive from store to store trying to find summer tops. Consider the source and look for a few loose threads. Expect shipping delays with customs. My tops came in 3 different shipments over time.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Good for the price
Color: A-mz721- Multicolor, Size: X-Large
The fabric is soft and not see-through, the size is right on and plenty long even if you're tall. My only complaints are that the design is not quite as pretty in reality, and it smelled really bad right out of the package. I had to wash it before I even tried it on.
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Great top!
Color: Jb204-black and White, Size: Small
This was a great top. I really like it. Good material, fit true to size, and washed & dried very nicely Perfect for summer.
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Reviewed in the United States on June 4, 2026
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