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Ships within 48 hours · Estimated delivery Jun 16 - Jun 21
For Your Every Summer RSVP, with Code: SUMMER15
Description
1000mL Carbo-CalciumConcentrated Calcium & Alkalinity for Advanced Reefers! Tropic Marin Carbo Calcium contains a balanced ratio of calcium and carbonate (alkalinity) in a single solution. Traditionally two or more solutions are required but Carbo Calcium relies on biological processes to release calcium and carbonate from a single liquid without the worry of precipitation or oxygen depletion. There are no by products or unwanted excess CO2, phosphates, nitrates, or

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
4.9 ★★★★★
Based on 1516 reviews
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Product Reviews
★★★★★ 5
Ideal fabric, great fit.
Color: Light Pink, Size: Medium
Loose fitting back is ideal for hiking, walking and other outdoor activities. The fabric is breathable - great for working out. Even though the back if loose fitting, the front and boatneck fit well.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Prefect coverage and cooling.
I have to have sun protection and I live in the south. This is perfect for my daily walks. Covers what I don’t want to put sun screen on, the loose fit hides tummy area and loose in back. Liked it so much, I just ordered two more. Soft, silky, and Very cooling and lightweight.
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Reviewed in the United States on March 26, 2026
★★★★★ 3
Weird spot on it.
Color: Black, Size: Large
I kind of like this top, especially the feel of it. Unfortunately, it has an odd stain on the front. Looks like a heat mark from being pressed? I hope it comes out because I threw the bag away. If it does come out I'll take down this review.
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Reviewed in the United States on May 29, 2026
★★★★★ 4
Shirt
Color: Aqua Blue, Size: Small
Good quality and nice material.
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Reviewed in the United States on January 29, 2026
★★★★★ 5
Look good fit well
Color: Light Pink, Size: Medium
Comfy wash great
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Reviewed in the United States on May 16, 2026
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