For these reasons, the best aquarium gravel for all types of tanks is of small size with no sharp edges.
Goldfish produce excessive amounts of waste in the form of chemicals and a buildup of waste is harmful to the health of your fish. The accumulation of waste detracts from the visual look of your aquarium. The waste produces cloudy water, and this is the main reason why pea gravel is the best gravel for goldfish tanks. There are other types of gravels that can give your aquarium a particular theme. For instance, small sand gravel gives your tank a tropical feel. Pea sized gravel offers you a more traditional look and the large pebbles will give the aquarium a dramatic effect. In a goldfish tank pea gravel is usually the preferred choice.
If your fish will be living in it: Many species of fish, such as stingrays (There is a freshwater variant!) or Kuhli loaches will try to hide in your substrate, and they’ll need fine-grained materials to survive there without being harmed. Scavenging fish such as goldfish can also have larger pieces of gravel become lodged in their mouths as they forage for food. All fish will come in contact with gravel from time to time, so the best gravel should be round-edged to avoid scratching. If your aquarium inhabitants are big waste producers like large catfish or turtles, large-grain gravel or even glass marbles are the easiest to vacuum, and could be the best choice for you.
Best Aquarium Gravel for Your Tank - Aquarium Lingo
Freshwater Aquarium Gravel : What You Should Know | Home Aquaria
The material that sits in the bottom of an aquarium is called substrate. There are several different choices for aquarium substrate, the most common of which are sand and gravel. While sand and gravel might seem quite similar, each one has its benefits and drawbacks. Deciding which one to use depends on the types of fish you are going to keep in your tank as well as some other considerations. Our guide will help you decide which is best for your aquarium. The best products for your gravel would be the natural type and color for your tank. Although, as previously stated, some fish owners choose bright pinks or reds, those colors compete with the and other fish in the aquarium. Also, due to the natural environment Bettas love,neutral gravel will feel more normal for your fish and actually reduce stress on them in general. For brand new aquarists to those with 10 years under their belt, getting the best aquarium gravel is key for starting your new tanks off right. This means knowing your fish and plants substrate requirements, what effects adding specific gravel will have on your PH and even how the gravel will look in a finished tank.
Another important thing to consider is the that you plan on having in your freshwater aquarium. If you plan on having live plants in your aquarium, it’s best to avoid larger gravels and opt for finer gravels instead.