A hottub is a great way to unwind and relax after a hard day’s work and can be especially nice on a cool night out. A hottub can often be at the top of many people’s wish list, but their high cost can be limiting for some. Whether you are someone who is interested in buying or installing one yourself, the knowledge of how a hottub works can become very useful while putting it in or maintaining it in the long run.Whether you are interested in installing or buying one yourself, the knowledge of the inner workings of hottub can be put to good use in the long run. Heat and water are combined and circulated at the same time as the pumps work them through a series of plumbing. The water is usually recirculated back into the tub after having the water sucked out to go through a piping system where it is run through a heating element. The churned air which causes the common bubbling effect which is a notable feature among hottubs is caused by valves that take in air that are then blown back underwater into the tub. The walls of a hottub generally resemble the walls of a bathroom because there are pipes all over the place, as there are many components that can be found in them. The main set of pipes brings water and air into the tub itself, and then there are drainage pipes, air jets, while some even have lighting fixtures. A portable spa is also a great alternative that has almost all the benefits of an in-ground tub that can also be taken anywhere. There a many kinds of portable spas, the main difference being in how they are constructed. Inflatable tubs can be inflated in as little as fifteen minutes, after which the heating elements can then activated to heat the water. Other models can be assembled from flat panel faux wood sidings that can lock upright or fold flat to be disassembled. Then there are hard-shell portable spas, that can still be carted away and transported when the water has been drained out. Whether you own an in-ground spa or a portable version, hottubs do require some maintenance in order to keep them running efficiently and extending the lifetime of your tub. Most tubs and spas come bundled with chemical treatment kits that help test the water for chlorine and pH levels and ensure that it is safe. Spa filters keep out obstruction from the main tub such as insects, leaves, and dirt. Regular cleaning of the hot tub filter ensures that the water flows smoothly. If you are a regular user of your hot tub, then make sure that a spare filter is ready for those times that you may have to clean one out and replace it.