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The only time you might choose to run a reference test is if you have cause to believe the test if giving incorrect results
Regeneration: Requires soaking in muriatic acid for restoration
The Salifert Magnesium (Mg) Profi Test Kit is designed to accurately measure magnesium levels in your aquarium
suitable for aquariums up to 500 litres (132 US gal
Seachem Reef Kalkwasser 1Kg High-Purity Calcium Hydroxide 20-50 The only time you mightSeachem Reef Kalkwasser 1Kg 398 is a refined calcium hydroxide product known for its exceptional purity and solubility, making it ideal for maintaining calcium concentrations at natural seawater levels in marine aquariums. It is specifically formulated to prepare limewater (kalkwasser) solutions that support both calcium and carbonate alkalinity balance within any reef system. While beneficial for seasoned aquarists, kalkwasser usage requires careful