Red Sea Salt 160 Gallon Box (44lb)

In-store pickup only.

Red Sea Salt is a research-grade marine salt blend designed for hobbyist reef keepers who want biologically balanced, sustainable water chemistry. The 44 lb (160-gallon) box is Red Sea's economical format for routine water changes on medium to large reef systems. Contains biologically balanced, elevated levels of the foundation elements (calcium, magnesium, carbonates) that support coral growth and long-term reef stability.

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• Research-grade marine salt for reef and fish-only tanks
• Elevated foundation elements: calcium, magnesium, carbonates
• Balanced ratios for sustained coral growth
• Dissolves quickly with minimal residue
• 44 lb box — mixes approximately 160 gallons of seawater
• Ideal for routine water changes on reef systems

What's the difference between Red Sea Salt and Red Sea Coral Pro?
Standard Red Sea Salt has balanced reef-ready parameters. Coral Pro has higher calcium, magnesium, and carbonate levels for SPS-dominant systems with faster coral growth.

How much does it yield?
The 44 lb box mixes roughly 160 gallons of seawater at 1.025 specific gravity.

Box vs bucket — which should I pick?
The box is less expensive per gallon; the bucket is sealed against humidity and easier to store. Pick based on how fast you'll use it.

Can I pick this up in-store?
Yes — this item is in-store pickup only. We don't ship salt mix.