STACKING ROCKS IN YOUR AQUARIUM
- Don’t add too much weight – Remember that you cannot just keep stacking and expect your aquarium to hold it. There are limits to everything. I tend to use about double the weight of rock as gallons of water in my tank (so for example, in a 55 gallon tank I use 110 lbs of rock). This is just a general rule for me because it usually provides me with more than enough rock to make large stacks and I have never had a problem with this much weight on my glass.
- Don’t make pressure points – You don’t want a tip of rock resting on your glass, especially if that rock has rocks on top of it applying even more pressure. Every time you have points against the glass, there is a chance that the glass will break from the pressure. In general, you don’t want your rock leaning against your glass walls. Instead, stack the way I showed you above. This is the safest method. You also need to make sure there is a layer of substrate between the bottom glass and your rock. Sometimes, you can push on the bottom layer so much that you end up moving all of the substrate out of the way and the rock has points that then hit the bottom glass. This is obviously bad. If you are going to have a good deal of rocks in your aquarium then you will need a thicker layer of substrate to disperse the weight.
- Make sure your rocks are stable – Remember that fish can dig out substrate and bump into rocks all the time. Therefore, you need to ensure that they are not going to dig out the area under your rocks and that the caves are so secure that they will not fall when bumped in to.
If you are really worried about the weight of the rocks then you can always buy egg crate at your local hardware store and place this under your substrate. It helps to disperse the weight, but can be a pain when it comes to deep substrate vacuuming.
The way you decorate your aquarium is entirely your choice – only you can decide what look you want to cultivate in your tank and you are ultimately the only one who has to be pleased with its appearance. Though you can choose what type of rocks you want to use in your tank, keep the tips and techniques discussed in this article in mind as you decorate your tank in order to avoid problems. As you will see for yourself soon enough, adding rocks to your aquarium can significantly change and enhance the look of your tank – your fish will thank you!
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