


Fritz RPM Liquid Magnesium
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Fritz RPM Liquid MagnesiumFritz RPM Liquid Magnesium Highly Concentrated Ionic Magnesium Solution Proper Magnesium Levels Help Regulate the Balance Between Calcium and Carbonates in Aquarium Water Helps Reef Building Organisms to Form Skeletal Material Stronger than Most Competing Products Contains No Unwanted Organic Material Such as EDTA, Gluconate, or Polyglyconate About Fritz RPM Liquid Magnesium Magnesium plays a critical role in marine aquariums by maintaining a balance
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Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 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]
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4.1 ★★★★★
Based on 760 reviews
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Product Reviews
★★★★★ 5
Great for cold soups and salads
Worked as intended, although they are durable I would not overfill it with anything too heavy nor too hot. We used it for cold soups and salads and they worked great. Great value considering how many bowls you’re getting. Perfect size for single serving.
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Reviewed in the United States on February 28, 2026
★★★★★ 5
Great value & product
I feed my indoor rescue kitties in these& buy every month. Great product!!!
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Reviewed in the United States on October 11, 2025
★★★★★ 5
Good for hot or cold
Makes cleanup easy. Holds up well for hot or cold
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Reviewed in the United States on January 3, 2026
★★★★★ 5
bowls
they where perfect for our event
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Reviewed in the United States on October 31, 2025
★★★★★ 2
Not great bowls
The bowls are not easy to separate and tip easy. Would not buy again.
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Reviewed in the United States on September 12, 2025