When you see fish stick them in their mouthes they are just sucking on them.
Marbles in fish tank.
A cycled tank shows zero ammonia and nitrite and a nitrate reading of less than 40 ppm.
You can add marbles to your tank just clean it well with hot water.
Adding decoration and plants if you re wanting to add plants and decoration to your aquarium you may find the substrate you choose can make a difference.
You ve probably seen large aquariums with multi layered substrates that are full of lush living plants.
Their use can vary and they do come with some quirks that are good and bad in equal measure.
On the other hand if you are breeding fish marbles can be a good substrate because the gaps provide protection and coverage from adult fish who would like to eat the fry.
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Don t ever clean anything with bleach for your tank because a very small amount a bleach can kill all of your fish.
You ve probably also seen fish bowls with a layer of beautifully colored marbles serve as a home for a single betta fish.
If your bare bottom tank is fully cycled then there shouldn t be any issues with the marbles affecting the cycle.
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Yes you can put marbles in your fish tank.
If you enjoy fish you can choose to set up a bowl or tank that falls anywhere along the spectrum between the two.
Marbles themselves are generally safe for use in aquariums.