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Pea gravel works if you use it at the bottom of an aquarium. You can also use it to make walkways and other concrete surfaces.
Aquarium gravel is simply gravel that goes in the bottom of your aquarium. You can also use sand instead of gravel. The gravel has several purposes: It makes your tank look nice, it hides waste (which is why you should gravel vacuum once a month or so), and it provides surface area for good bacteria to live on. It comes in many colors, including brown, white, black, and neon colors.
I would say yes it would be ok not to put anything at the bottom of the aquarium. Gravel, stone and plastics are usually used for appearance. If it is a freshwater aquarium and if you plan on using live plants then gravel is necessary.If it is a salt water aquarium then it is necessary to use live rock and live stone.
Anything labeled safe for aquarium use. Beyond that, it depends on what type of fish you are keeping, and whether or not you have plants, for which type of aquarium substrate (gravel or other lining for the bottom) should be used.
No. Charcoal bits will harm your betta fish. But you can use deactivated charcoal bits
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Garden soil is not suitable for an aquarium (tropical or cold water aquariums). The soil will pollute and cloud the water with soil particles, debris and live organisms that could cause disease to the fish. Only use special aquarium equipment and ingredients: washed gravel, etc.
goldfish aquarium maintenance can be divided into several sections: weekly: scrub sides of aquarium with a sponge, if there is green alge living on the sides then do not disturb it for your goldfish will enjoy snacking on it and the alge also serves a purpose: during the day it participates in photosynthesis thus creating oxygen therefore raising the dissolved oxygen levels in the aquarium. If you do use gravel in your aquarium then you will want to use a siphon to vacuum the gravel each week, however vacuuming the gravel does disturb the colony of nitrosomas and nitrobacter bacteria living there which help aid in biological filtration therefore I suggest only grooming about half of the gravel bed each week. Also do around a 25-50% water change of your tanks water each week, this will help keep the water clean/clear and is extremely good for your goldfish. Every two weeks: If you have a sponge filter or poor filtration it is a good idea to rinse it out in a bucket of aquarium water every two- three weeks. Monthly: Rinse out any filters in a bucket of aquarium water, scrub any tank ornaments with a sponge, whipe off the top lid of the aquarium (do not use any cleaning sprays/ agents that are not labled for aquarium use! or you might kill your fish) Also be sure to clean off any tubing or other equipment used inside your aquarium.
I would not recommend the use of gravel for a driveway as everytime you drive over it gravel is flicked about by the car tyres.
It all depends on the "bio-load" of your tank - Bio-Load is the waste created by the fish and waste removed by the good bacteria in your filter. If there is only a small amount of fish producing waste you should be safe with a fortnightly gravel vac If there is a heavy bio-load (10-15 fish) you should be doing part water changes and vacs weekly. All depends on what waste is produced and removed.
All you would be doing is storing poisons in the tank for release later if there is a power out. This would result in death to the whole population in the tank. Most experienced aquarists believe that poisons should be collected and treated outside the tank in a properly cycled filter where the Ammonia is converted biologically into harmless Nitrate.
Probably, but I wouldn't recommend it! Aquarium vacuums work much better, and are often called 'gravel washers' or 'siphons'. They are available online at www.bigalsonline.com under the maintenance section.