Instant Ocean – Reef Crystals Reef Salt (200 Gallon Box)
Advanced Reef Salt Mix for Coral Growth & Invertebrate Health
Reef Crystals® by Instant Ocean is a premium-grade salt mix formulated specifically for reef aquariums. Enriched with elevated levels of key elements and vital trace components, it provides the ideal environment for stony corals, soft corals, anemones, and other delicate invertebrates. Trusted by professionals and hobbyists alike, Reef Crystals delivers consistent results and superior water chemistry.
Key Benefits:
- Boosted Calcium – Supports skeletal growth in SPS/LPS corals & coralline algae
- Enhanced Trace Elements – Supplies essential nutrients beyond natural seawater levels
- Added Vitamins – Promotes resilience, vitality, and long-term survival of reef organisms
- Metal Detoxifier – Neutralizes heavy metals commonly found in tap water
Mixing Instructions:
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Use dechlorinated tap water or purified water.
- For small batches: Mix ½ cup of salt per 1 gallon of water
- Stir vigorously until fully dissolved
- Aerate the solution for best results - this helps balance oxygen & CO₂ levels
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Measure salinity using a hydrometer or refractometer
- Recommended Specific Gravity: 1.020 – 1.026 @ 77°F
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Adjust as needed:
- If SG is too low, add more Reef Crystals
- If SG is too high, dilute with more water
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Routine Maintenance:
- Perform 20% water changes every 2 weeks to maintain ideal water quality
Important Usage Notes:
- Never mix salt directly in aquariums containing live animals
- In new setups, introduce livestock only after saltwater is fully mixed, aerated, and properly adjusted
Safety Information:
- Not for human consumption
- Keep out of reach of children
- May cause irritation in dry form - rinse thoroughly with cool water if contact occurs and seek medical attention if necessary
Each 1.4 lb of Reef Crystals makes approximately 5 gallons of saltwater at 1.021 SG
Total Yield: Up to 200 gallons
We totally understand that plans change! You can modify or cancel your order as long as it hasn’t been shipped yet. Just call or email us right away - our team will confirm if we can catch it before it leaves our facility.
If your order is already in transit, you’ll need to request a return once it arrives. Keep in mind that some items, like aquariums and livestock, can’t be returned.
For full terms, please refer to our Refund & Return Policy.
Placing an order is simple - just add your item to the cart & complete the checkout process online. Once your order is confirmed, we'll reach out to you directly to schedule a local pick-up appointment at our facility.
* All local pick-ups are by appointment only *
Order processing typically takes 1-2 business days for products that are in stock or readily available through our network of distributors. Some products, however, are fulfilled on demand directly from our distributors, which can slightly extend processing and delivery times depending on availability and location.
Rest assured - we always work to get your order shipped as quickly as possible.
If you’d like to confirm availability or request an ETA before placing your order, you’re always welcome to call or email us.