Try to remove all air pockets to saturate the decoration with water. Similarly, a slight burial can stop small/light decorations from floating. Decide on how you want it all to look first though.īurying an unbalanced decoration into the substrate slightly will help to hold it in place. If you are piling decorations up (perhaps to make a rocky structure), try using aquarium-safe glue to hold everything together. You don’t want it to collapse and crush an unexpecting fish. If neither of these is an option, then you’ll have to pick something else to add to your tank instead.Īnother thing to consider is how stable a decoration is. You could always sand edges down or position the decoration so that your fish can’t get near the sharp bits. Run your hands over the decoration to feel for any sharp edges. a broken flower pot), check that they won’t leave your fish at risk. If you are adding items that haven’t been designed for aquarium use (e.g.
Physical injuries could lead to further issues for your fish, such as disease. This is why many people choose to use soft, fine-grained sand as a substrate, to protect the sensitive barbels of their bottom-dwelling fish. This is important because it would be very easy for a fish to cut themselves, especially if they spend a lot of their time swimming close to surfaces while scavenging for food. Shapesĭecorations that have been designed specifically for an aquarium will be smooth without any sharp edges. If you collect anything from outside, it is very useful to know as much as you can about it, such as where it originated. This could harm your fish and/or turn your water cloudy. Some materials will begin to dissolve particulate solids into your water. If you’re adding rocks, research what they are made of.
If you don’t want this effect, there are a few ways to remove tannins before you add the wood to your tank, such as by boiling it. Some people like this effect, as it recreates a blackwater habitat. These will discolor your water and destabilize the pH.
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