Standard U.S. shipping: $12.99; free standard shipping on eligible qualifying orders of $100 or more. Specialty shipments are charged separately.
Shipping & Delivery
Standard/Economy: $12.99; free standard shipping on eligible qualifying orders of $100 or more.
Most in-stock orders process in 1–3 business days. Estimated standard transit is 5–12 business days after dispatch. Backorders, preorders, and special orders follow their stated lead times. Dates are estimates, and separate shipments may have separate charges.
Review the Shipping & Live Arrival Policy and final charges at checkout. International rates and specialty charges are separate from domestic standard offers.
Easily monitor Magnesium levels and maintain a clean, healthy reef aquarium.
Maintain stable magnesium levels and support optimal coral growth with the Salifert Magnesium (Mg) Profi Test Kit. Designed for precision and ease of use, this test kit helps reef aquarists accurately measure magnesium levels an essential parameter for maintaining proper calcium and alkalinity balance in marine aquariums.
Magnesium plays a critical role in preventing unwanted calcium precipitation and ensuring healthy coral skeleton formation. With Salifert’s trusted testing method, you’ll get fast, reliable results to keep your reef thriving.
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Product Highlights:
• Accurately measures magnesium (Mg) levels in saltwater aquariums
• Helps maintain proper calcium and alkalinity balance
• Essential for coral growth and overall reef stability
• High precision results with easy to read color change
• Suitable for reef and marine aquariums
• Up to ~50 tests per kit
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Why Magnesium Matters:
Magnesium stabilizes calcium and alkalinity levels in your aquarium. Low magnesium can lead to unstable parameters and poor coral growth, making regular testing a key part of reef maintenance.
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What’s Included:
• Test reagents
• Test vial
• Syringe(s)
• Instructions
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Usage Tips:
For best results, test magnesium levels regularly and adjust dosing as needed to maintain stable reef parameters.
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Pro Tip: Pair with calcium and alkalinity test kits for complete water parameter monitoring
Why Buy From Infinity & Beyond Aquatics?
Get personal aquarium support, help checking compatibility and clear shipping information before ordering. Contact us with questions about choosing or maintaining this item for your aquarium.