Achieve pristine water quality with our range of marine and reef aquarium salts. Formulated to support optimal coral growth, vibrant fish health, and a balanced marine environment.
Achieve pristine water quality with our range of marine and reef aquarium salts. Formulated to support optimal coral growth, vibrant fish health, and a balanced marine environment.
Have Questions About Marine Salt? We Have Answers.
Get quick answers to common questions about Marine Salt
What is Marine Salt?
Marine salt is a specially formulated mix of natural salts, minerals, and trace elements designed to replicate the chemical composition of natural seawater. It is used to create a stable and healthy environment for marine fish, corals, and invertebrates in saltwater aquariums. Unlike regular table salt, marine salt includes essential elements like calcium, magnesium, and alkalinity buffers necessary for the health and growth of marine life.
Marine salt is a specially formulated mix of natural salts, minerals, and trace elements designed to replicate the chemical composition of natural seawater. It is used to create a stable and healthy environment for marine fish, corals, and invertebrates in saltwater aquariums. Unlike regular table salt, marine salt includes essential elements like calcium, magnesium, and alkalinity buffers necessary for the health and growth of marine life.
Why is Marine Salt important for a saltwater aquarium?
Marine salt is essential for maintaining the correct salinity and water chemistry in a marine or reef aquarium. It provides the vital minerals and elements that fish, corals, and other invertebrates need to survive and thrive. Using high-quality marine salt ensures that your aquarium water closely mimics natural ocean conditions, supporting biological processes such as coral calcification and fish osmoregulation.
Marine salt is essential for maintaining the correct salinity and water chemistry in a marine or reef aquarium. It provides the vital minerals and elements that fish, corals, and other invertebrates need to survive and thrive. Using high-quality marine salt ensures that your aquarium water closely mimics natural ocean conditions, supporting biological processes such as coral calcification and fish osmoregulation.
What types of Marine Salt are available at Charterhouse Aquatics?
At Charterhouse Aquatics, you can find a wide selection of marine salts suitable for different types of marine aquariums. Options include standard marine salt mixes for fish-only systems and advanced reef salts formulated with elevated levels of calcium, magnesium, and trace elements for coral reef tanks. We offer trusted brands such as Red Sea, Tropic Marin, D-D H2Ocean, Instant Ocean, and Aquaforest to suit various aquarium needs.
At Charterhouse Aquatics, you can find a wide selection of marine salts suitable for different types of marine aquariums. Options include standard marine salt mixes for fish-only systems and advanced reef salts formulated with elevated levels of calcium, magnesium, and trace elements for coral reef tanks. We offer trusted brands such as Red Sea, Tropic Marin, D-D H2Ocean, Instant Ocean, and Aquaforest to suit various aquarium needs.
How do I choose the right Marine Salt for my aquarium?
The best marine salt for your aquarium depends on the type of tank you have and the livestock you keep. Fish-only marine tanks typically require a standard marine salt mix that provides essential minerals for fish health. Reef aquariums, particularly those with hard corals, often benefit from reef salts that contain higher concentrations of calcium, magnesium, and alkalinity to support coral growth and skeletal development. It’s important to select a salt that matches your specific water chemistry goals and livestock requirements.
The best marine salt for your aquarium depends on the type of tank you have and the livestock you keep. Fish-only marine tanks typically require a standard marine salt mix that provides essential minerals for fish health. Reef aquariums, particularly those with hard corals, often benefit from reef salts that contain higher concentrations of calcium, magnesium, and alkalinity to support coral growth and skeletal development. It’s important to select a salt that matches your specific water chemistry goals and livestock requirements.
How do I mix Marine Salt for a saltwater aquarium?
To prepare saltwater for your aquarium, you need to mix marine salt with purified water, ideally using reverse osmosis or deionized (RO/DI) water. Follow the manufacturer’s recommended dosage, which is typically around 35 grams of salt per litre of water to achieve a salinity level of 1.025 specific gravity. Mix the salt thoroughly in a separate container until fully dissolved. It is recommended to use a heater and powerhead to maintain temperature and circulation during mixing. Always test the water parameters before adding it to your aquarium.
To prepare saltwater for your aquarium, you need to mix marine salt with purified water, ideally using reverse osmosis or deionized (RO/DI) water. Follow the manufacturer’s recommended dosage, which is typically around 35 grams of salt per litre of water to achieve a salinity level of 1.025 specific gravity. Mix the salt thoroughly in a separate container until fully dissolved. It is recommended to use a heater and powerhead to maintain temperature and circulation during mixing. Always test the water parameters before adding it to your aquarium.
How often should I perform water changes with Marine Salt?
Regular water changes are crucial to maintaining water quality in a marine or reef aquarium. It is generally recommended to change 10 to 20 percent of the aquarium water every one to two weeks. Freshly mixed saltwater, made with high-quality marine salt, replenishes essential minerals and trace elements that are depleted over time. Water changes also help remove waste products, excess nutrients, and maintain stable water chemistry.
Regular water changes are crucial to maintaining water quality in a marine or reef aquarium. It is generally recommended to change 10 to 20 percent of the aquarium water every one to two weeks. Freshly mixed saltwater, made with high-quality marine salt, replenishes essential minerals and trace elements that are depleted over time. Water changes also help remove waste products, excess nutrients, and maintain stable water chemistry.
Can I switch Marine Salt brands in my aquarium?
Switching marine salt brands is possible but should be done carefully to avoid stressing your aquarium inhabitants. It is advisable to transition slowly by mixing the new salt with your existing brand during water changes to allow fish and corals to adjust to any differences in mineral content or trace element concentrations. Always monitor your water parameters closely when changing salt brands to ensure a smooth transition.
Switching marine salt brands is possible but should be done carefully to avoid stressing your aquarium inhabitants. It is advisable to transition slowly by mixing the new salt with your existing brand during water changes to allow fish and corals to adjust to any differences in mineral content or trace element concentrations. Always monitor your water parameters closely when changing salt brands to ensure a smooth transition.
Does Marine Salt expire or go bad?
Marine salt does not have a strict expiration date, but it should be stored properly to maintain its quality. Exposure to moisture can cause marine salt to clump or lose its effectiveness. Always store marine salt in a dry, sealed container and avoid contamination. If the salt has absorbed moisture or shows signs of hardening, it may not dissolve properly or maintain accurate chemical composition, so it’s best to use fresh, dry salt for optimal results.
Marine salt does not have a strict expiration date, but it should be stored properly to maintain its quality. Exposure to moisture can cause marine salt to clump or lose its effectiveness. Always store marine salt in a dry, sealed container and avoid contamination. If the salt has absorbed moisture or shows signs of hardening, it may not dissolve properly or maintain accurate chemical composition, so it’s best to use fresh, dry salt for optimal results.
What is the difference between Marine Salt and Reef Salt?
Marine salt is typically designed for fish-only marine aquariums and includes basic elements necessary for fish health. Reef salt, on the other hand, is formulated specifically for reef tanks and contains higher levels of calcium, magnesium, and alkalinity to support coral growth and the health of other invertebrates. If you are keeping corals or planning a reef system, choosing a reef salt is recommended for maintaining optimal water chemistry.
Marine salt is typically designed for fish-only marine aquariums and includes basic elements necessary for fish health. Reef salt, on the other hand, is formulated specifically for reef tanks and contains higher levels of calcium, magnesium, and alkalinity to support coral growth and the health of other invertebrates. If you are keeping corals or planning a reef system, choosing a reef salt is recommended for maintaining optimal water chemistry.
Excellent service and very helpful staff.
We phoned for advice and the reply was extremely helpful.
Also the delivery driver was very friendly and efficient..all in all a very good experience 👍
Photos to follow when set up....lovely aquarium.
Alan Ogden
June 16, 2025
Received my tank on Friday the 13th absolutely perfect driver was really really good dropped it right outside my little doorstep because it was on the path. Very very pleased with my purchase tank is looking absolutely fantastic. Will definitely use you again absolutely brilliant thank you.
Simon Hill
June 16, 2025
Fast delivery and great service.
Oliver Sullivin
June 15, 2025
Ordered and delivered within 24 hrs. Exactly as promised.
Lee Wildon
June 15, 2025
Excellent service and delivered on time.
Thank you.
Kumaresawrarajah Vijayaraj
June 14, 2025
Amazing
Tony Arnold
June 14, 2025
Excellent service
Andrew Harvey
June 11, 2025
Excellent, arrived when said, thank you
Alexia Jones
June 11, 2025
Fast delivery. As described. Confused at first with only one light. Thank you.
Jo Bailey
June 9, 2025
I always use Charterhouse Aquatics for my fish food. It arrives quickly and is a reasonable price. Would recommend this site.
Hugo Ago Go
June 9, 2025
Quick and very easy
Louise Adams
June 8, 2025
Excellent service and fast delivery
Darren Southall
June 8, 2025
Great items delivered quickly
TheGray1967
June 7, 2025
Great service, couldn’t of been more helpful
Fast service & delivery
Brian Powell
June 7, 2025
Good service👍
Craig Smart
June 7, 2025
Cheap prices and fast delivery
Jason O'Brien
June 7, 2025
Never had a bad experience with them. Super easy to deal with, great prices and fast delivery
Nathan Jenkins
June 5, 2025
Ordered my fish tank from them. Excellent service definitely recommend
John Garrett
June 3, 2025
excellent service
Nicky Bowden
June 3, 2025
Excellant service thankyou
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