Published at Thursday, March 01st, 2018 - 23:23:36 PM. Aquarium Equipment. By Karlina Brittany.
GFCI and grounding probes: A GFCI or ground fault circuit interrupter or use of a grounding probe could potentially save your life. Your know the funny looking circuit in your bathroom or kitchen that has the red and black buttons that say "test" and "reset" on them? Well that is a GFCI outlet. They work by measuring the current flowing into and out of the circuit and "trips" or disables the outlet whenever current is deviated away from the line i.e. through you! It is a good idea to use a GFCI outlet anytime you use electricity around water. You can find portable GFCI outlets that plugs in over top of your wall outlet so you dont have to replace your wall outlet with a built in GFCI. You can find these at just about any home improvement store. A grounding probe will still protect you but is not as automated as a GFCI. A grounding probe works by providing a path of least resistance to the ground on an outlet if there are any stray current in the water. By conducting stray currents through this path of least resistance, they dont flow through you! You may have stray current if you have a faulty piece of equipment such as a water pump, filter, heater, or powerhead.
A fourth essential component is the substrate. You might think substrates are simply decorative elements in an aquarium system but they are actually also essential to a healthy environment. They can impact the chemistry and filtration of the water as well as the well being of all the life in the aquarium. Two to three inches of gravel at the bottom of the tank would work wonders in a freshwater aquarium.
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