Overview
Stabilize alkalinity and calcium demand by keeping magnesium (Mg) on point. Isol8:Mg is an ultra-pure, stabilized magnesium solution engineered for the Captiv8 BluePrint methodology and test-driven reef keeping. Routine, precise dosing maintains Mg within range to support SPS/LPS calcification, minimize abiotic precipitation, and preserve ionic balance—without impacting clarity or nutrients.
Key Features
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High-purity Mg for sensitive, low-nutrient reefs.
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Predictable concentration for accurate manual or automated dosing.
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Stability enabler — adequate Mg helps keep Ca/Alk balanced and consistent.
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BluePrint-ready — slots into Captiv8 schedules and ICP/spot-test routines.
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Doser-friendly — ideal for continuous micro-additions after calibration.
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Two sizes — 355 mL for smaller systems/testing and 1006 mL for long-term or high-demand use.
Directions
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Test first: Measure magnesium and confirm your target (commonly 1280–1380 ppm for mixed reefs).
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Calculate dose: Use the label’s dose-to-ppm relationship for your total system volume (display + sump minus displacement).
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Split corrections: If a larger increase is needed, add in multiple small doses over 24–48 hours.
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Maintenance: Establish a daily or every-other-day dose that matches uptake; verify with weekly tests and adjust.
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Add in high flow (sump/overflow). Do not mix in the same container with alkalinity, calcium, or concentrated traces.
Bring alkalinity (7.5–9 dKH) and calcium (420–450 ppm) into range, then fine-tune Mg for long-term stability.
Best Practices
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Keep salinity stable (1.025–1.026); large, unscheduled water changes can swing Mg.
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Time additions away from fresh carbon/resin swaps for consistent contact time.
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If precipitation/film appears, reduce single-dose size and increase frequency.
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Log all additions; align with your BluePrint testing cadence and any ICP results.
Compatibility
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Safe alongside skimmers, carbon, phosphate media, refugia, and bacterial/trace programs (dose at different times).
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Works with two-part, kalkwasser, and calcium reactors; keep additions separate and in high flow.
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Avoid simultaneous dosing with strong oxidizers.
Product Specifications
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Product: Captiv8 Reef BluePrint Isol8:Mg
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Format/Sizes: 355 mL and 1006 mL ultra-pure magnesium solutions
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Function: Correction and maintenance of magnesium at reef-appropriate levels to stabilize Ca/Alk consumption
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Use Case: Daily maintenance and stepwise corrections in SPS/LPS/mixed reefs
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System Types: Marine/reef (test-driven major-ion management)
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Storage/Safety: Keep sealed at room temperature, out of direct light; aquarium use only; keep out of reach of children and pets.