NēoMarine Synthetic Sea Salt is formulated to recreate natural seawater ratios of major, minor and trace elements, including non-conservative elements critical to marine aquarium stability. The result is a salt mix that produces water chemically comparable to filtered tropical reef seawater, supporting the long-term health of fish, corals and invertebrates.

Made using USP- and ACS reagent-grade ingredients, NēoMarine is not derived from evaporated seawater. Instead, it is developed by a marine scientist and produced in Brightwell Aquatics’ own facility under strict quality control standards. Every batch is lot numbered and sampled to maintain consistency and reliability.

The manufacturing process promotes uniform particle size and a dry, homogenous blend, helping to ensure consistent mixing and predictable results. When mixed at 134g per 3.785 litres (1 US gallon) of purified water, NēoMarine yields a specific gravity of approximately 1.025 g/cm³, with a pH of around 8.30 and alkalinity of approximately 7.5 dKH.

Key Features:

• Precision-formulated synthetic sea salt for all marine aquaria
• Replicates natural seawater ratios of major, minor and trace elements
• Suitable for reef, mixed reef, FOWLR, fish-only, mangrove, sea grass and brackish systems
• USP- and ACS reagent-grade ingredients
• 134g per 3.785L produces ~1.025 specific gravity
• Approximate pH 8.30 and alkalinity 7.5 dKH at recommended dosage
• Produced in-house under strict quality control
• Lot numbered and batch sampled for consistency
• Dry, homogenous blend with uniform particle size
• Not composed of evaporated seawater

Supplied in a convenient 20kg bucket, NēoMarine offers consistency and control for marine aquarists who require reliable salt chemistry. Its carefully balanced composition supports stable parameters, making it suitable for both established systems and new marine setups.

Specifications:

• Weight: 20kg bucket
• Mixing Ratio: 134g per 3.785L (1 US gallon) purified water
• Specific Gravity: ~1.025 g/cm³ at recommended dosage
• pH: ~8.30 at recommended dosage
• Alkalinity: ~7.5 dKH at recommended dosage
• Intended Use: Marine and brackish aquaria

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Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.