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Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
For Your Every Summer RSVP, with Code: SUMMER15
Description
Brightwell Reef Code AThe calcium bearing component of a two part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (buffering capacity)) in the same ratio as that found in natural seawater. Ionically balanced with respect to natural seawater concentrations of calcium and carbonates when used in equal amounts with Reef Cde B. Benefits reef building organisms such as corals, clams, calcareous algae, etc. Simplifies

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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- 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.
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- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 860 reviews
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Product Reviews
★★★★★ 4
I wanted to love these....
Size: 8, Color: Sand
I really wanted to love these, and I *almost* did. They are comfortable and cute. But they are a little wide across the mid-foot so they were a little sloppy on my feet. The platform is quite high, and while at 5'3" I appreciated the extra height, between that and being too wide, I felt they were an accident waiting to happen. If they were slightly more narrow and a little lower, I would have been in love, but I had to return them. They seem true to size except for the extra width.
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Comfort in a Slide
Size: 7.5, Color: Black
These are true to size and extremely comfortable. I prefer the extra height that they provide and the quality is 10/10. I would purchase in another color and highly recommend them if you’re looking for these attributes in a slide.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
Gorgeous shoes, worth the price, totally comfortable!
Size: 8, Color: Black
These are so comfortable! They fit perfect, the suede is really soft and the foot bed has a lot of cushion. They fit very true to size, I got a size 8,
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Reviewed in the United States on April 4, 2026
★★★★★ 5
Terrific sandal for comfort and adding height!
Size: 7, Color: Dark Chestnut
Very comfortable. I have trouble with heel pain and these sandals are terrific! They are well made - good quality. The brown color is exactly as shown. I would recommend.
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Reviewed in the United States on June 8, 2026
★★★★★ 5
great product
Size: 8, Color: Black
love cute and comfy
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Reviewed in the United States on May 12, 2026
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