Hydroshock 3-Part Complete System
Hydroshock 3-Part Complete System - 16 fl oz / 16 fl oz / 16 fl oz is backordered and will ship as soon as it is back in stock.
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Hydroshock 3-Part Complete System
CALCIUM | ALKALINITY | MAGNESIUM
The Hydroshock 3-Part Complete System is a precision-balanced dosing trio designed to provide reef aquariums with stable water chemistry, consistent growth, and vibrant coloration. Formulated to work together in a 1:1:1 ratio, Hydroshock maintains the proper balance of major and minor ions while preventing long-term imbalances.
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Hydroshock Calcium (Part 1) | Calcium • Strontium • Trace Elements
Supplies concentrated calcium enriched with strontium, potassium, and trace metals (iron, manganese, zinc, vanadium). Promotes strong skeletal growth while supporting natural coloration and trace element balance. - 
Hydroshock Alkalinity (Part 2) | Carbonates • Boron • pH Stability
Provides 8,400 dKH total alkalinity, replenishing carbonate consumed by coral growth. Boron buffering stabilizes pH and reduces daily swings, protecting corals from stress and enhancing growth. - 
Hydroshock Magnesium (Part 3) | Magnesium • Potassium • Iodine
Maintains ionic balance by replenishing magnesium at the correct ratio to calcium and alkalinity. Includes potassium and iodide for invertebrate molting and soft-tissue health, plus balanced sulfates to preserve the natural Na:Cl:S ratio. 
Together, these three parts form a complete reef foundation system, giving your aquarium the stability corals demand to thrive.
Balanced 3-part dosing system (Ca : Alk : Mg)
Supports skeletal growth, coral coloration, and invertebrate health
Prevents ionic drift and maintains natural seawater ratios
Save when purchasing the full Hydroshock system as a bundle
Instructions
- Begin dosing at 1 mL per 100 L daily of each part (Ca, Alk, Mg) in equal amounts.
 - Test regularly for alkalinity (dKH), calcium (Ca), and magnesium (Mg).
 - Adjust all three parts slowly and equally to maintain stability.
 - If a parameter drifts significantly, temporarily adjust that part alone before resuming equal dosing.
 - Dose into high-flow areas. For larger alkalinity corrections (>0.5 dKH/day), split into smaller doses or drip overnight to prevent pH spikes.
 
1 mL of each Per 1 US gallon:
- Calcium (Ca): +15.85 ppm
 - Alkalinity (Alk): +2.22 dKH
 - Magnesium (Mg): +3.20 ppm
 - Chlorine (Cl): +36.42 ppm
 - Sulfur (S): +1.46 ppm
 - Potassium (K): +0.777 ppm
 - Strontium (Sr): +0.313 ppm
 - Boron (B): +0.231 ppm
 - Fluorine (F): +0.036 ppm
 - Iodine (I): +0.030 ppm
 - Zinc (Zn): +0.00203 ppm
 - Molybdenum (M): +0.00200 ppm
 - Iron (Fe): +0.00172 ppm
 - Manganese (Mn): +0.00172 ppm
 - Vanadium (V): +0.000147 ppm
 - Cobalt (Co): +0.00010 ppm
 
Storage & Safety
- Store sealed in a cool, shaded location (≤25 °C).
 - Protect from direct light.
 - Shelf life: 24 months.
 - Not for human consumption.
 - Keep out of reach of children.
 - May cause eye and skin irritation. Avoid contact with eyes, skin, or clothing.
 
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