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Coconut in aquarium

maintenance, care, compatibility

Before putting the sawn coconuts for an aquarium, it should be soaked in water for several days (replacing water every 12 hours), after having cleaned the inside of the pulp residues using a hard kitchen sponge or metal scourer. After lying in water for a few more days, it is perfectly cleaned.

If you leave a nut in water or boil it in water for 10 minutes, it will no longer stain aquarium water, and the material itself will not harm the fish.

There is an opinion that after placing the coconut in the aquarium, the health of the fish deteriorates. This may be due to the chemicals with which the product was processed before serving on the counter. But during boiling, some of the germs and toxins are destroyed, so there are already prerequisites for trust.

In addition, very few people came across such poor-quality coconuts – product managers are well versed in products.

After all the procedures, coconuts can be cooled by gently dropping them to the bottom of the aquarium. You can make a house covered with Javanese moss – it will look organically and attractive.

But consider the moment – large fish can get stuck in a coconut, so be guided by the size of the aquarium living creatures.


Coconuts for aquarium – an excellent decoration, creating the presence of a tropical pond in the room. The small underwater world will delight both the inhabitants of the aquarium and those who love to contemplate it.

It is difficult to overestimate the usefulness and effectiveness of a coconut shell in an aquarium. Not only is it almost a ready-made house for various types of fish, so also its production will not require any special financial and physical costs. In addition, the benefits of coconut still include:

  1. Inconsistency to the processes of decay.
  2. Negative buoyancy, allowing the coconut shell to instantly sink to the bottom.
  3. Gorgeous aesthetic appearance.
  4. High environmental friendliness.
  5. Bactericidal, which eliminates the development of pathogens.

In addition, shelters from this shell will be appreciated:

The purchase of this fruit will make absolutely no problem because of its wide availability in any fruit shop. After the acquisition, you must release the juice from it.

This can be done with a nail or drill. But it is worth paying special attention to the careful conduct of all manipulations. In addition, before starting drilling, you need to shake this fruit.

If the sound of splashing milk is clearly audible during shaking, this means that the coconut is fresh. If this is not heard, then the best thing you can do is throw it away and not use it as food.

Next you need to cut the coconut. But before that it is necessary to know the exact shape of the future decorative design.

If you plan to make a house, you must remove the back of the shell. And if, for example, a boat is created, then it is necessary to cut the fruit into 2 equal halves.

Once this procedure is completed, you can proceed to the final stage, namely the separation of the pulp. This can be done with a knife or scourer made of metal.

As for getting rid of the fibers growing on the shell, this solution is purely individual.

It is also worth noting that you should not immediately put the cleaned coconut in the aquarium. So, it is recommended to soak it in water and leave it there for several days, changing the water periodically.

Carrying out such a procedure will allow it to perfectly clean.

After that, all that remains is boil coconut for 10 minutes. This action will not only prevent staining of water in a brownish tint, but also will allow to exclude even the slightest chance of harming the inhabitants of an artificial reservoir.

Important! If during the opening of the coconut shell a pink bloom is visible inside, then it is not recommended to use it for an aquarium.

DIY aquarium grotto made of coconut clay wood stone

Making grottoes and caves from improvised at home

Why are grottoes and other structures in aquariums

It is no secret that the aquarium looks much more impressive if it contains various structures in the form of rocks, grottoes, etc.

But to really get what is right for your aquarium is very difficult, and sometimes simply impossible.

This is due to the fact that the interior items are either quite expensive or simply impossible to find on sale.

So the idea arose to try to build something similar at home. As they say, neglect of the invention is cunning!

By purchasing certain components in the store, you can safely start making very nice things for your aquariums. And my further instructions will help to do this without too much difficulty.

The main thing is that you have the desire and even a little fantasy!

So, then my instructions for making a grotto for an aquarium.

Currently, many lovers of aquarium fish and other inhabitants of this environment are asking questions about the state of their aquarium, its unique uniqueness, cleanliness and safety, beauty, etc. Therefore, I will tell you how to do it yourself such an indispensable thing in an aquarium as grotto. Of course, many may argue that you can buy it at any specialty store, but the fact that you created your own hands gives you confidence in the quality and safety for your pets.
Grotto – This is a shelter for fish and a unique design of your aquarium. To get started, you need to select the source material to create a grotto.

It is desirable to exclude everything that relates to artificial origin (glue, sealants, paints, etc.). Here are some examples of creating a grotto:


You can use the old clay pots, shards. Purchased clay is required to burn at high temperatures, otherwise it will fall apart, and this is not available to everyone. But while working with clay, your fantasy has no limits.

I think everyone in childhood was engaged in modeling clay, so it’s enough to remember this. Sculpt castles, palaces, different types of buildings.

With the presence of such grottoes your aquarium will become more individual and unique.

First you need to collect the necessary number of small pebbles, preferably round and smooth shape, to avoid damage to your pets. Be sure to boil them.

It is best to lay out the grotto right in the aquarium without water. It is necessary to glue the stones together with a special aquarium silicone, because the glue is very toxic for your pets. Also, several stones from the building should be attached to the glass.

Then dry the seams well and only then pour water. If you absolutely do not want to use glue, then you can simply lay out the structure without bonding, the main thing is that it does not collapse during any vibration.

Here are the most common ways to create a grotto for an aquarium with your own hands, but the most important thing is your imagination. So create, create, decorate!

Each of us in childhood tried to tear the bark off a tree. From the old stump it can be removed in one sheet, which rolls up into a tube.

This is exactly what you need. We carry out a full complex of disinfection (boiling and washing) and send it to the aquarium.

So, buy a coconut. We look first at its appearance – there should be no traces of mold.

Shake the coconut – a characteristic gurgle should be heard inside. If the coconut does not gurgle, then it is surely spoiled, and is not suitable for our purposes.

Coconut purchased, then the fun begins.
Options for the future of the grotto, there is as much as you allow fantasy. It can be a grotto with one entrance, and several, located both at the ends, and on the sides; both with smooth holes, and with holes of asymmetric shape.

We proceed to the “cutting” of the future of the grotto. For this we need a drill, a hacksaw or a jigsaw and a knife. At one end of the coconut there are three spots – these are traces of the cutting.

One of the spots does not have a hard shell and therefore easily penetrates. By trial and error we find it and break through with a knife.

This is done in order to drain the coconut milk. Here is one secret: to make the milk flow better and faster – drill another spot.

Milk is drained, we use it for its intended purpose and move on. Using a hacksaw or electric jigsaw, we saw off the butt on which there were spots – it turns out the future entrance to the grotto.

Now you need to clean the inner surface of the coconut from the pulp. To do this, we take a knife and gently, in small pieces, cut off the pulp directly from the shell.

We use pulp as intended. All future grotto is ready.

Then you can apply all your design abilities and make, for example, a few more inputs-outputs with an electric jigsaw. The edges can be made uneven, chipping off the shell pieces with pliers.

And finally, some tips. “Hair” on the coconut to remove optional (a matter of taste of everyone); and if you have antsistrusy, then in half a year the coconut will be polished both outside and inside. If your aquarium is over 100 liters, then boiling coconut is not necessary; in a smaller volume, the aquarium may turn the water brownish, so boiling to remove coloring pigment is recommended. The specific gravity of the coconut shell is greater than the specific gravity of water, so it sinks safely and does not require additional attachment.

And yet, as an element of decor to the coconut shell, Javanese moss and anubias grow beautifully – fix them only with a thin fishing line for the first time.

As you can see, making a grotto from a coconut is not at all a difficult process, and it can be done by anyone who wants to bring diversity to their underwater world.

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