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Top 5 Marine Salts

Top 5 Marine Salts

“What’s the best marine salt mix” remains one of the most debatable topics in forums among reefers. Some people claim a particular salt mix is the best, while others have a varying view of the best. How then can you know which marine salt is the best for you?

Well, you’ll know that in a bit.

This article will guide you through how you can decide on a marine salt brand ideal for your tank.

The Top 5 Marine Salts

Here we go!

1. Tropic Marin Pro Salt Mix


  • Calcium: 450 ppm
  • Magnesium: 1380 ppm
  • Alkalinity: 8.5 dKH

Tropic Marin Pro Salt Mix is the most preferred marine salt available on the market. Indeed, it’s the best salt mix you can purchase for your reef aquarium today. Providing the most relevant parameters at a reasonable price, this salt mix is a must for hobbyists with the most demanding corals.

The pro reef salt mix is best for SPS reef tanks or fish only.

2. Instant Ocean Reef Sea Salt Mix


  • Calcium: 400 ppm
  • Magnesium: 1320 ppm
  • Alkalinity: 11 dKH

Available in many local stores, Instant Ocean Reef Sea Salt is a proven, budget-friendly salt mix for many reefers. If you keep fish only or soft corals in your reef aquarium, using Instant Ocean Reef Sea Salt is a perfect choice.

As a comparison with the Ocean Reef Crystal, this salt lesser levels of trace elements. However, it contains a substantial amount of calcium to help stony corals and coralline algae grow

The major con with this salt is its high level of alkalinity of about 11. This high value is detrimental to an SPS tank with sensitive corals like Acros after a water change.

3. Instant Ocean Reef Crystals


  • Calcium: 425 ppm
  • Magnesium: 1440 ppm
  • Alkalinity: 13 dKH

Instant Ocean Reef Crystals comes third on our list. This salt mix is a budget-friendly choice for many hobbyists who run more demanding hard corals. However, it is not advisable since it would require extra dosing.

Without a doubt, choosing this salt over other brands will save you money.

Instant Ocean Reef Crystals have a high water quality as with other high-end salt mixes. However, one of the cons of using this salt is that its anti-caking agents may leave a brown residue in your tank. And this may require that you eventually replace your tank for the health of your marine life.

4. Brightwell Aquatics Neomarine Salt


  • Calcium: 400 ppm
  • Magnesium: 1320 ppm
  • Alkalinity: 11 dKH

The salt of choice for worldwide corals. Brightwell Aquatics Neomarine Salt is an ideal salt for an Ultra-Low Nutrient System. If your reef aquarium suffers from low levels of magnesium or pH issues, this is the product to go for.

Brightwell Aquatics is one of the significant coral sellers in the United States. This product is thoroughly researched and tested multiple times. And has reportedly had a consistent result.

This salt mix contains elements ideal for both LPS and SPS corals.

5. Red Sea Coral Pro Salt


  • Calcium: 465 ppm
  • Magnesium: 1390 ppm
  • Alkalinity: 12 dKH

Just as the name sounds, this salt mix is extracted from the Red Sea. As a result, the Red Sea Coral Pro gives you a superb balance of the major elements needed for a natural ecosystem.

There are two varieties – one with higher alkalinity and the other with lower alkalinity levels. Both contain no heavy metals and work great for hard corals and invertebrates. However, one of the major cons is that the salt can be challenging to find in local stores.

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