Because Silicone seams can tend to shrink over time and might result in the formation of leaks that were not initially present but have emerged as a result of prolonged storage. The time that an aquarium is kept without water should be considered. In addition to the fish tank inspection for cracks and leakages, there are some other factors to check before buying a used aquarium. Weak Silicone seal of a Used aquarium Other Things to Check When Buying a Used Aquarium It’s probably worn away on the edges and look’s kind of just really thin. If it peels, the Silicone glue is probably getting old that will look almost white in color. Dark spots inside the Silicone SealĪnother way to inspect the Silicone seal is to run your fingers along the Silicone sealed edges and see if it peels up easily. Really those spots are, where moisture has gotten into the seal, and no more bond between glass and silicone. If you see any dark spots inside the Silicone seal, it can be a sign of leakage. Then keep moving along the silicone seal to check whether there are possible leaks. A small chip is okay, but if it starts to get into the silicone seal or gets close to the silicone-glued seal, that’s a tank you’ll want to pass on. There may be little chips on the glass edge of the tank. You definitely want to take a close look at the edges of the tank as well. Obviously, if there are any cracks, it’s not going to hold water. The first thing you want to check with any used fish tank is the glass whether there are any cracks in it. Check for Glass Cracks, Chips, or Scratches Therefore, if you have a heavily stocked tank, an air stone will be able to help your aquarium keep up with the oxygen demand.So once you’ve found the fish tank you want, the next step is to go ahead and evaluate that fish tank. However, the heavier your bio-load is, or in other words, the more fish you have in the tank, the greater the demand for oxygen, but the lower the supply. Now, if you have a small tank with a couple of fish and a few plants, you probably will not need a bubbler. Fish, most of them, may not be able to breathe gaseous oxygen in the air, but they definitely need to breathe dissolved oxygen in the water. The main benefit of having a bubbler or air stone in your aquarium is that it increases the amount of dissolved oxygen in the water. There are a few different benefits that come along with having a bubble in a fish tank. Be sure to use the bleed valve to adjust the airflow into the bubbler to your desired level.īenefits of Having a Bubbler in Your Tank Place the air stone or bubbler wherever you see fit we would recommend doing so at the rear of the tank, as you do not want a wall of bubbles obstructing your view from the rest of the tank. Step Five: Now, all you need to do is feed the airline tubing into the tank and connect it to the air stone of your choice.Once again, make sure to attach it securely so no air can get out. This one-way valve will help to prevent the backward flow of air and water in the event of a power outage or some other kind of equipment failure. Do this about another 2 or 3 inches from where you spliced in the regular valve. Step Four: Next, you need to splice the one-way valve into the tubing.This regular valve is what you will use to bleed off excess air pressure and air that you do not want or need to make its way to the bubbler. Use a sealing method that will ensure that no air comes out between the regular valve and the tubing. You want to do this about an inch or two from where you have connected the tubing to the air pump outlet. Step Three: Now, you want to splice the regular valve you have purchased into the airline tubing.Step Two: First off, place the air pump outside of the aquarium and attach one end of the flexible airline tubing to the outflow valve of the air pump.The bottom line is that you need an air stone, an air pump, a one-way valve, a regular valve, and the airline tubing. Some air stones or bubblers come with the tubing, and the air pump included, while others do not. Step One: Purchase the air stone and the corresponding accessories that you will need ( we have covered our top 5 picks here).
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