Overview
Keep skeletal growth steady with laboratory-grade calcium. Isol8:Ca is an ultra-pure, stabilized calcium solution designed for the Captiv8 BluePrint methodology and test-driven reef keeping. It restores and maintains target Ca to support dense calcification in SPS/LPS corals, coralline algae, and Tridacnid clams—without adding unwanted byproducts or clouding the system.
Key Features
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High-purity Ca for sensitive, low-nutrient reefs.
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Predictable concentration for precise manual or automated dosing.
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Synergy with Alk/Mg—pairs cleanly with Isol8/Aragonite counterparts to maintain ionic balance.
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BluePrint-ready—slots into Captiv8 schedules and ICP/spot-test routines.
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Two sizes—355 mL for extended use and 1,006 mL for standard long-term dosing.
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Doser-friendly—ideal for continuous micro-additions after calibration.
Directions
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Test first: Measure Calcium (Ca) and confirm your target (commonly 420–450 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 large adjustment is needed, add in multiple small doses over 24–48 hours.
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Maintenance: Establish a daily dose that matches uptake; verify weekly and adjust.
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Add in high flow (sump/overflow). Do not mix in the same container with alkalinity, magnesium, or concentrated trace solutions.
Bring alkalinity (7.5–9 dKH) and magnesium (1280–1380 ppm) into range before fine-tuning calcium consumption.
Best Practices
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Keep salinity stable (1.025–1.026) and avoid large, unplanned water changes that can swing Ca.
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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 dosing frequency.
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Record 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:Ca
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Format/Sizes: 355 mL and 1,006 mL ultra-pure calcium solutions
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Function: Correction and maintenance of calcium for calcification and skeletal growth
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Use Case: Initial correction and ongoing daily maintenance 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.