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Instant Ocean

Salt Mix

Water & Salt · Salt
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The most common reef salt in North America. Regular for FOWLR, Reef Crystals for reef, Sea Salt for QT. Baseline benchmark.

Type
Dry salt mix — combine with RODI to 1.026 SG
Yield
200 gal / bucket
Ca
~400 ppm
Alk
~9 dKH
Mg
~1,300 ppm

Summary

The default reef salt in the US market. Regular Instant Ocean is used on FOWLR + softies; Reef Crystals adds calcium + trace boost for SPS/LPS. Consistent batch chemistry, wide availability, sub-$1 per gallon mixed. What most reefers start with.

Best forany reef budget — the baseline salt other salts get compared to Mountn/a — dry salt mix, mix with RODI to 1.026 SG Skill beginner

Full specifications

Type Dry salt mix — combine with RODI to 1.026 SG
Yield 50-200 gallons per unit
Ca 400-430 ppm (Reef Crystals: 430)
Alk 9-11 dKH (Reef Crystals: 11)
Mg ~1,300 ppm
Availability US mass-market — Petco, Amazon, BRS all stock it

What sells it / What holds it back

Pros
Cheapest way to enter reefkeeping — 200 gal box under $90
Consistent batch chemistry (better QA than boutique brands)
Available everywhere — no hunting for shipping-restricted brands
Cons
Reef Crystals is fine but Fauna Marin / Tropic Marin pull SPS color better
Alk out-of-box (~9 dKH) is on the low end for high-nutrient tanks
No trace additions like Aquaforest or Fauna Marin salts

Where to buy

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