Reef Zlements Part 2 Universal Reef Zlements Part 2 Universal is a high-purity calcium and trace element solution designed for reef aquariums using the H₂P two-part dosing system. Developed and manufactured in the UK, this balanced formula delivers essential calcium (~72,000 mg/L), magnesium, and 13 key macro and trace elements, all optimized for coral health, skeletal growth, and ionic stability. When dosed alongside Part 1 (Complete or pHplus), it replenishes elements consumed by growing corals, maintaining stable parameters and promoting vibrant, long-term reef vitality. Key Features Delivers high-purity calcium, magnesium, and vital trace elements Works with Part 1 Complete or Part 1 pHplus in the H₂P system Supports coral growth, skeletal development, and color Balanced to maintain natural seawater ionic ratios Manufactured and quality-controlled in the UK Supplied in recyclable 2.5L packaging Dosing Guidance Dose equal parts of Part 1 and Part 2 based on your tank’s alkalinity consumption Start with 10 ml per 100 L and adjust based on alkalinity and calcium test results Dose at least 15 minutes apart from Part 1 to avoid precipitation
