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Nualgi Aquarium for Marine and Tropical tanks

1,300 views · Published 1 March 2014 · 4:59 · Indexed 15 October 2026

Channel: Everyday Aquarist · 2014 · Pets & Animals

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NuAlgi aquarium is a new product entering the aquatics market. It was originally designed to increase the oxygen availability within water bodies by promoting the growth of diatoms, thus removing nutrients from the water and improving water quality. NuAlgi does this by using a nano silica base to introduce needed nutrients, such as P, K, Mn, Zn, Co, Cu, Mo, B, S, Ca & Mg, into the water body. Being on the nano scale and having silica as a base, it makes the nutrients and lot easier for diatoms to use, and therefore out compete algae.

This technique has been applied by NuAlgi onto aquariums; both tropical and marine.
What are the benefits?

NuAlgi claims to create a controlled diatom bloom that will eventually out compete the nuisance algae such as hair and green spot algae within an aquarium. This diatom bloom will, in a marine aquarium, be in turn eaten by zooplankton, thus boosting a good source of food for your fish whilst as the same time getting rid of your algae.

It is apparently safe for use in both fresh and salt water aquariums and has no known negative side effects to fish or corals. Indeed, it may in fact increase the health of your marine livestock by providing extra nutrients to your corals and food for your fish. So good news for marine keepers all round.

In fresh water the details do not seem to be as clear as in salt water. NuAlgi promotes diatom growth, therefore it can have an effect of out competing plants within the freshwater aquarium, and thus having an effect on the vitality in a planted aquarium. However, well planted aquariums do not tend to have much algae and therefore the use of NuAlgi would be redundant.

In a non planted freshwater aquarium plagued by algae, I can see the benefits of NuAlgi working to reduce the available nutrients for the nuisance algae to grow. But without the zooplankton present in a marine aquarium to eat the diatoms, where would the diatom bloom go? According to NuAlgi the diatom bloom would die off once the free nutrients are all used up, so presumably in this case a stop-start approach to dosing would be required; unless you like a fine layer of brown on everything.
Should you use NuAlgi?

Like all new products in any industry, a lot of people are skeptics and need proof before purchase, I am one of these. For this product I can see that the idea is very viable and it sounds like a great product for marine keepers. I would definitely use this if I kept corals and had problems controlling algae, as marine keepers need all the help they can get, and if it works, which I believe in this case it does, then all the better.

For freshwater, as stated, I am yet to be convinced of how useful a product this is over doing the proper aquarium maintenance and usual freshwater algae reduction techniques which I know firsthand to be effective. I have graciously received a free sample of Nualgi and will be conducting tests to see what happens, maybe I'll convince myself.

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