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{"id":1390,"date":"2020-03-30T03:32:53","date_gmt":"2020-03-30T03:32:53","guid":{"rendered":"https:\/\/fishkeepup.com\/?p=1390"},"modified":"2020-03-30T03:54:03","modified_gmt":"2020-03-30T03:54:03","slug":"are-moss-balls-good-for-fish-tanks-14-benefits","status":"publish","type":"post","link":"http:\/\/fishkeepup.com\/are-moss-balls-good-for-fish-tanks-14-benefits\/","title":{"rendered":"Are Moss Balls Good for Fish Tanks? 14 Benefits"},"content":{"rendered":"

They\u2019re known by many different names, but the most common one is Marimo, a term that comes from the combination of two Japanese words \u2013 \u2018mari\u2019 (bouncy ball) and \u2018mo\u2019 (aquatic plant).<\/p>\n

No matter what you call them, they\u2019re a popular addition to aquariums of any size because they are hardy and low maintenance option for adding some living greenery to the environment.<\/p>\n

Are moss balls good for fish tanks? There are numerous benefits to adding one or more marimo balls to your tank. These range from benefits to the aquarium\u2019s residents and the water quality in your tank to benefits to your convenience and enjoyment as an aquarium keeper. As a rule, moss balls are a great addition to any tank. There are few exceptions due to demanding care or downsides.<\/strong><\/p>\n

If you\u2019ve seen them in a pet store or local aquarium supply store, you might think they look like something a cat would cough up.<\/p>\n

If you\u2019ve seen them in their fully developed glory in a friend\u2019s tank, you might have thought it was artificial.<\/p>\n

Marimo balls have a story worth knowing and a lot to offer when you introduce them to your tank. Read on to learn everything you need to know about moss balls.<\/p>\n

What are Moss Balls Used for in Aquariums?<\/h2>\n
\"Betta
Picture: Betta Fish and Moss Balls in Fish Tank<\/figcaption><\/figure>\n

The first thing that you need to know about moss balls is that they aren\u2019t really a moss at all. They are a species of wild algae that is native to Japan and some parts of Europe.<\/p>\n

Aegagropila linnaei<\/em><\/a> is a filamentous green algae that grows in rivers, lakes. It is not uncommon to find it growing in mats on a lake and river beds throughout its geographic range. Naturally, occurring marimo are rare and protected.<\/p>\n

Moss balls, also known as Cladophora balls, form when the filaments of the algae are rolled by the action of currents.<\/p>\n

The right balance of currents, light, water quality and substrate conditions required to promote colonies of natural moss balls is rare.<\/p>\n

Japan, Iceland, and other countries where natural colonies exist have taken steps to protect them. The moss balls for sale in pet stores come from Ukraine.<\/p>\n

Marimo are hardy and slow-growing. They thrive in a wide range of water temperatures, light levels, and pH levels.<\/p>\n

They are popular with most fish and invertebrate species, and they do as well in a tank by themselves as they do in a stocked freshwater aquarium.<\/p>\n

For all of those reasons, they are a great option for inexperienced aquaculturists and folks who\u2019ve struggled with living plants in the past.<\/p>\n

Of course, the ease of keeping marimo is just one of the reasons that you should consider adding them to your tank.<\/p>\n

Even experienced aquarium keepers with a certified green thumb will love the work that they do to improve water quality and add to the enjoyment that both they and their pets get from the tank\u2019s environment.<\/p>\n

Let\u2019s take a look at some of the main benefits of adding moss balls to your tank.<\/p>\n

14 Benefits of Marimo in Your Fish Tank<\/h2>\n
\"Pleco
Picture: Pleco Tasting Moss Ball In Freshwater Fish Tank<\/figcaption><\/figure>\n

Every part of your fish tank set up can be evaluated with a cost-benefit analysis. Not having a fish tank at all would require zero effort and so it would cost you nothing.<\/p>\n

But it would also mean that you wouldn\u2019t get the benefits of having something interesting, beautiful, relaxing, and fun in your space. Filters deliver considerable benefits by maintaining water quality, but they require investments in the form of power to run them and work to maintain them.<\/p>\n

One of the best things about moss balls is that they are light on costs and heavy on benefits.<\/p>\n

#1 \u2013 Moss Ball – Absorb Nitrates<\/h3>\n

Fish waste in your tank leads to the accumulation of nitrates, nitrites, ammonia, and phosphates. Moss balls, like all living plants in your aquarium, help to maintain healthy water quality by absorbing those potentially harmful compounds.<\/p>\n

While a single moss ball won\u2019t be enough to replace a filter in a tank that is larger than a few gallons, it will make a beneficial contribution to the overall effort.<\/p>\n

#2 \u2013 Moss Ball – Oxygenate Water in Tank<\/h3>\n

Like all plants, moss balls use photosynthesis to survive. That means that they absorb CO2 and release oxygen.<\/p>\n

You might even see your marimo floating in the tank as built-up levels of oxygen dissipate into the water. Maintaining healthy oxygen levels in your aquariums water is important to the health of your fish and other creatures. Every little bit helps, and moss balls add to the total.<\/p>\n

#3 \u2013 Moss Ball – Prevents Excess Algae Growth<\/h3>\n

Using algae to prevent algae is the definition of fighting fire with fire, right?<\/p>\n

Because marimo consumes the nutrients that other, less desirable forms of algae would need in order to thrive in your tank\u2014having marimo goes a long way toward eliminating unwanted algae.<\/p>\n

Just as the size of your tank will determine the impact that each moss ball has on the level of nitrates and amount of oxygen, so to will it determine the impact on controlling unwanted algae.<\/p>\n

#4 \u2013 Moss Ball – Harbor Beneficial Bacteria<\/h3>\n

Maintaining a healthy tank is all about creating the right balance between bio-load and filtering.<\/p>\n

We use filters and water changes to combat the build-up of nitrogen from fish waste and other sources.<\/p>\n

One of the most important weapons in the fight against tank water toxicity are the colonies of healthy bacteria that grow in our tanks.<\/p>\n

Moss balls provide a surface to grow on and beneficial seeding material.<\/p>\n

#5 \u2013 Moss Ball – Low Maintenance<\/h3>\n

If you have a tank with fish in it, you have everything that you need to keep a moss ball happy and healthy. They feed off the waste from the fish in your tank, and they don\u2019t need much light to do well.<\/p>\n

They prefer shade, but they tolerate a wide range of light, temperature, and pH levels. They don\u2019t need to be anchored to the substrate, so you just have to toss them in, and they\u2019re good to go.<\/p>\n

Since Cladophora absorbs so much from your tank\u2019s water, they tend to bite off more than they can chew. That means that nasty stuff will leach out unless you \u2018re-set\u2019 them periodically.<\/p>\n

All it takes to do so is give the moss ball a squeeze over a sink or bucket during each routine partial water change.<\/p>\n

Squeezing the water out of the moss ball means that it will float when you put it back in the tank. This isn\u2019t harmful and only lasts until the moss ball absorbs enough water to make it sink.<\/p>\n

You can accelerate the process by giving the moss ball another squeeze once it is back in the water in the tank.<\/p>\n

The only other thing that it takes to maintain a marimo is keeping an eye on it to make sure it gets enough light on all of its surfaces. If you are moving the ball to perform cleaning, then you\u2019ll be moving it as much as it needs.<\/p>\n

But if you start to notice browning or yellowing in the areas that the ball is resting on, just give it a roll to expose them to the light.<\/p>\n

#6 \u2013 Moss Ball – Adapts to High pH<\/h3>\n

There aren\u2019t many aquarium plants that can handle water that is high in pH, but a moss ball will be perfectly happy in water that is in the mid- to high-8 range on the pH scale.<\/p>\n

#7 \u2013 Moss Ball Makes Happy Critters<\/h3>\n
\"Crayfish
Picture: Crayfish on Moss Ball in Freshwater Fish Tank<\/figcaption><\/figure>\n

Adding a moss ball to your aquarium adds another element to the diversity of the environment.<\/p>\n

There are certain species, such as shrimp and frogs, who love foraging for food in moss balls or using them as a hangout. Bettas and goldfish have been known to roll the balls around the bottom of tanks or \u2018play\u2019 with them when they float.<\/p>\n

A marimo can be many things to many critters all at once.<\/p>\n

#8 \u2013 Snail-Proof<\/h3>\n

If snails<\/a> are part of your strategy for combatting algae<\/a> in your tank or you\u2019ve had some slip in unintentionally when you introduce something new to your tank\u2014you know how tough they can be on living plants and what a mess that can make from dead organic matter.<\/p>\n

But moss balls are virtually snail-proof. Some snails will nibble at the moss ball the way shrimp do, but you won\u2019t have to worry about them killing it.<\/p>\n

#9 \u2013 No Dead Matter with Moss Balls?<\/h3>\n

Most plants grow new leaves and shed old ones as part of their life cycle. Marimo does not.<\/p>\n

They grow slowly, and they don\u2019t reproduce on their own. You can trim them or split them if you wish, but that isn\u2019t necessary.<\/p>\n

What this means is that you\u2019ll never have to worry about unsightly debris or elevated water toxicity due to your moss ball doing its thing.<\/p>\n

#10 \u2013 Moss Balls are Salt Tolerant<\/h3>\n

If you\u2019ve ever had to use freshwater aquarium salt to treat injuries, illnesses, or an outbreak of parasites in your aquarium\u2014you know how harmful it can be to aquatic plant life.<\/p>\n

Salt can also be an important tool in reducing nitrate levels in your tank. If you have moss balls in your aquarium, you won\u2019t have to worry about what the salt will do to them.<\/p>\n

#11 \u2013 No Stowaways<\/h3>\n

If you\u2019ve had negative experiences with other living plants in your aquarium, one of the possible reasons for that was the accidental introduction of snails or parasites that rode in on the backs of the plants.<\/p>\n

Moss balls are sold in individual cups, so there is a much lower chance of a hitchhiker tagging along for the ride. Check these options on Amazon – 6 pcs of Moss Ball selection\u00a0<\/a> or check your near by Pet Store.<\/p>\n

#12 \u2013 No Anchoring Required<\/h3>\n

Unlike other aquatic plants, you won\u2019t need to have a particular type of substrate in your tank or do any work to anchor them. While that isn\u2019t necessary to have a happy and healthy marimo in your aquarium, they are versatile enough to allow you that option if you choose to do so.<\/p>\n

Since the algae grow as a mat as well as it does in the form of a ball, you can split the ball, lay it flat, and anchor it to decorate your tank.<\/p>\n

#13 \u2013 A Very Hardy Addition<\/h3>\n

It is \u201calmost\u201d impossible to kill a marimo without intentionally trying to do so. Untreated tap water, saltwater, and water without nutrients will all do a moss ball in, but short of that, they are going to survive.<\/p>\n