Archive for March, 2012
Savvy pool owners understand that the importance of swimming pool filters is undeniable. Pool filters remove debris and pollutants that would otherwise cause dirty, cloudy water. However, pool filters for in-ground swimming pools are important for more than just aesthetic reasons, as contaminants such as bacteria can cause illness while cloudy water creates ideal conditions for algae growth.
With three types of available filtration systems for in-ground pools, deciding which system is right for you and your pool may seem confusing. Yet, sand pool filters, cartridge pool filters and diatomaceous earth or DE pool filters will all allow you to keep your swimming pool clean and properly maintained. Understanding the various pros and cons associated with each type of filter will simply allow you to choose the system that will be best suited for your pool and your circumstances.
Sand pool filters are the oldest and most popular type of pool filters for in-ground swimming pools. They have been used by private pool owners for many years and are great for keeping water free of dirt and debris. These swimming pool filters feature a series of chambers which hold special pool grade sand. As the pool’s pump propels water through the filter system, dirt and other debris are trapped in the spaces between the sand particles. They are thus prevented from moving on as the cleansed water continues through the sand, exiting through the bottom layer and returning to the swimming pool.
Approximately every few weeks, the accumulation of impurities in the sand will build up to the point where the pressure in the filtration system will start to rise because the water is having more and more difficulty passing through the clogged sand. As a result, sand pool filters must be backwashed every so often in order to keep them functioning effectively. Backwashing sand swimming pool filters simply involves reversing the water flow so that the accumulated dirt will be knocked out of the sand beds and can then be removed through the waste line.
he working principles of automatic self-cleaning filter are as follows:
Uv is a kind of electromagnetic wave with the wavelength assortment of sixteen ~ 397nm. It's a instead reduced photon energy which happens to be not sufficient for ionizing atoms or molecules, for this reason it belongs to the category of non-ionizing radiation. Uv can be divided into four subcategories in line with its wavelength: A wave, B wave, C wave and vacuum ultraviolet, among which Do wave ultraviolet is used for Uv sterilization. The wavelength range of Do wave ultraviolet is 200 ~ 275nm, using the wavelength assortment of 250 ~ 270nm becoming the strongest sterilization band. In this band there will be an sufficient dose of Uv irradiation to liquids or air which may right away destroy the DNA and RNA in the tissues of all kinds of bacteria, viruses along with microorganisms. Once the viruses or bacteria under the irradiation of this waveband Uv soak up over 6000 ~ 10000U.W.sec/cm2, their existence central DNA (deoxyribonucleic acid) will probably be shattered which will further instantly trigger their demise or reduction of reproductive capability. Uv sterilization belongs towards the category of broad-spectrum sterilization. It can destroy all types of microorganisms, including bacteria, tuberculosis, viruses, spores and fungi.
Like a member of Uv sterilizers, automatic self-cleaning filter has these subsequent traits. To begin with, they are able to destroy all bacteria, viruses and other microorganisms rapidly and efficiently. Secondly, they can effectively degrade the chloride in water via photolysis impact. The quality of water following handled utilizing Uv water sterilizers can meet the health standard for consuming water. Thirdly, the operation of Uv water sterilizers is quite easy and the upkeep is also fairly easy. Fourthly, this gear can process large volumes of h2o requiring only a little flooring region. Fifthly, Uv h2o sterilizers are non-polluting and eco-friendly. No toxic unwanted side effects will be created throughout their work. Sixthly, the work of this gear demands reduced investment cost as well as reduced operating cost. The installation of it really is fairly simple. Seventhly, Uv water sterilizers are designed with a distinctive wall treatment procedure utilizing the optics ideas hence water within the chamber can take advantage from the ultraviolet towards the maximum extent and also the sterilization impact will be doubled.
Following elements will need to be taken care of during the maintenance for Uv water sterilizers:
It is hard to foretell when a disaster might occur nonetheless it is always good to be prepared for one. This is especially in areas susceptible to natural calamities like quakes and tempests. Everyone should be prepared for a disaster without reference to where you stay. Bomb blasts occur anywhere anytime and so do bushfires and floods. Having planned ahead will make sure that you are not as adversely influenced as others who might not have prepared for the disaster. At this time, getting supplies is very hard, even getting an open store might be a miracle. You want something to survive on before help comes your way.
The most important things to have in a survival pack are water, food and resources for everyday survival. You should also have an emergency kit, warm clothing, sleeping gear, lightweight water filtration system, survival knives, cooking supplies and manual can opener. If you or one of the members of your family has a special need, you must do not forget to include the supplies for such in your survival kit. The scale of your survival pack will principally depend on the scale of your folks. Essentially, you ought to have supplies that will last you for a few days.
The survival pack should be stored in an area that is most convenient for you. It is also sensible to have a survival pack in your house, in your vehicle and at your job. This is because of the fact that you cannot forecast the time when a tragedy can occur. You can also have smaller bags assigned to each member of the family. This should have individual name tags for everyone to locate theirs without effort. They can be stored at a central place in the house or at different places in the house as long as the area is easily reached.