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Description
Sera Marin Component 6 magnesium 250ml[Volume - 250ml]The Sera marin COMPONENT 1 7 range is designed for advanced marine aquaristics, providing corals and various invertebrates with seven essential, complementary ingredients. Sera marin COMPONENT 6 magnesium is rich in crucial magnesium. For optimal growth of corals and other invertebrates, it is vital to maintain a balanced ratio of magnesium and calcium. The magnesium level should not drop below 1300 mg liter. You can easily check the magnesium
The Sera marin COMPONENT 1 – 7 range is designed for advanced marine aquaristics, providing corals and various invertebrates with seven essential, complementary ingredients. Sera marin COMPONENT 6 - magnesium is rich in crucial magnesium. For optimal growth of corals and other invertebrates, it is vital to maintain a balanced ratio of magnesium and calcium. The magnesium level should not drop below 1300 mg/liter. You can easily check the magnesium concentration using the Sera Mg-test (refer to the test instructions). Dosage: Use the cap as a measuring tool. If you have elevated the calcium levels with Sera marin COMPONENT 1 and 2, incorporate one scoop of Sera marin COMPONENT 6 - magnesium for every 100 liters of water.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
4.4 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 4
Quality product.
Size: 33W x 32L, Color: White
Quality product.
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Reviewed in the United States on April 21, 2026
★★★★★ 1
Tight Fitting
Size: 36W x 30L, Color: Smoke
Make sure you review the details of these pants as they are slim fit and not regular.
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Reviewed in the United States on June 2, 2026
★★★★★ 2
Ridiculous Price for Mid Quality
Size: 30W x 30L, Color: Khaki
Ridiculous price for such average material. Wrinkles and creases the second you put them on. I got these because they’re the exact color I want and for som reason it’s hard to find.
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Reviewed in the United States on June 10, 2026
★★★★★ 4
💯
Size: 36W x 30L, Color: Khaki
Good fit.
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Reviewed in the United States on June 2, 2020
★★★★★ 1
Defective MK products sold here
Size: 33W x 30L, Color: Khaki
I ordered smoke grey and the seams never lined up. I could not manage to iron these pants. It appears like they are selling the defective MK products on Amazon. Returned mine.
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Reviewed in the United States on October 23, 2025