sometimes people use filters. it cleans the aquarium
UV Systems are becoming more popular for Swimming Pools and aquariums, UV light destroys bacterial growth, even fecis, As far as aquarium sealants and Coatings or paints, I highly recommend a product called "ArmorGuard" This will permanetly seal or coat your aquarium, It is a 100% Epoxy Coatings, Certified Green, Non -Toxic and Odorless. look on www.ecosmartepoxysystems.com for more information.
vancover aquarium
what was the landmark John G shedd aquarium used for in the time it was built? (history)
You can purchase aquarium salt at the pet store, but yes, epsom salt can be used without a problem.
A tank or vessel used to hold aquarium water outside of the main tank. Often used to feed or house a filtration system.
Bulkhead fittings are used to achieve a dependable and watertight seal between two materials. Bulkhead fittings are used in plumbing projects, on rain barrels, with pond liners and for aquarium sealing.
In most cases it is a tank/aquarium that has been constructed out of materials that could/would deteriorate if it was to contain salt water
Both are used for decorations.
The actual weight of the aquarium itself would depend on the materials used. The rocks in the bottom would add some weight as well. If you want to know how much the water weighs. The mass (weight) of fresh water is about 8.35 pounds per gallon, so that is 459.25 pounds for the water.
The choice is up to you. If you set up the aquarium as a vivarium for lizards why should it not be used to keep a lizard in.
The Georgia Aquarium in the States uses 3 feet, though I don't know if this is standard.
In most cases it is a tank/aquarium that has been constructed out of materials that could/would deteriorate if it was to contain salt water
You would use a aquarium chiller to cool the water in your aquarium for certain types of fish that need cooler water then room temperature. It helps to keep the water at a constant temperature.