Risk Pool - Phosphate in Swimming Pool Water - The Root of Algae Problems
Good afternoon. Today, I found out about Risk Pool - Phosphate in Swimming Pool Water - The Root of Algae Problems. Which could be very helpful if you ask me so you. Phosphate in Swimming Pool Water - The Root of Algae ProblemsPhosphate is fast becoming recognized as the major cause of algae in swimming pools.
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This summer has seen some of the highest recorded phosphate levels in swimming pools across Australia and New Zealand. Some of this high level of phosphate has been attributed to summer drought connected dust fallout, and an growth in the phosphate levels of several common fertilizers. For many years phosphate and nitrate runoff from farms has been blamed for the deterioration of our many lakes and waterways, now the problem has crossed into our swimming pools.
For pool owners, the biggest concerns from high phosphate levels are rapid chlorine consumption and stubborn, repeat algae problems.
Removal of phosphate from pool water is foremost to help voice wholesome water quality. Once it has been removed, regular maintenance can prevent the level from becoming a problem again and also aid in great chlorine performance and efficiency, reduced chlorine consumption, and no algae problems.
Phosphate and nutrients are required by all living organisms, along with algae, to survive and flourish. It is well documented that raising the swimming pools chlorine level will succeed in less algae problems. But how are they related, and what can be done to remove phosphate from swimming pool water?
Phosphate is introduced to pool water from a range of sources along with runoff from lawns and gardens, pool fill water such as bores, dust, suntan oils and leaves. With time, all of these sources will cause a build-up and growth in the attention of phosphate in the pools water.
Algae spores are continually being introduced to the pool attached to dust and leaves. They only require nutrients and water to speedily multiply and become a threat to the pools water capability due to rapid consumption/destruction of available chlorine.
For decades chlorine has been used not just as a pool sanitizer, but it is also effective as a short lived algae killer.
Traditional treatment has included "shock" dosing the pool with three to five times its regular daily chlorine dose; this is effective at killing off approximately all illustrated algae.
While this effectively kills the algae, it does not do anyone to address the health that allowed the algae to flourish in the first place. When the chlorine level returns to general to algae will begin growing again.
Therefore preventing the algae from recurring requires that the chlorine attention is maintained at the higher level, the water is removed from the pool, or water conditions are changed to become less favourable for algae growth.
Traditionally, phosphate levels have been ignored, while attempting to remove dead algae by filtration. Given wet algae weighs 1000 times more than the phosphate needed to feed it, this is not the most effective way to do this. Also as the algae are trapped in the filter, it releases a inescapable number of trapped phosphate back into the water.
The most effective traditional treatment is "super chlorination" or ten times the general daily dose, effectively bleaching the algae white and killing it. This is followed by a "floc" with aluminium salts, before vacuuming the settled dead algae to waste.
Up until recently, none of the traditional treatments for algae targeted the real cause of the algae problem. Chlorine has always been recognized as an effective algaecide, any way does nothing to treat the cause of the algae problem.
In swimming pools there are two effective chemical treatments for removing phosphate from swimming pools: aluminium compounds and lanthanum compounds. In sewage and effluent treatment ponds, iron compounds are used effectively, any way these are undesirable in swimming pools due to the staining they cause.
Aluminum compounds are more effective in pools with a high level of phosphate build-up, in the range of greater than 1000ppb (parts per billion); any way they require vacuuming to waste after treatment. They will effectively remove phosphate down to 500ppb, but cannot remove phosphate below 100ppb which is required for effective algae control. Aluminum compounds are relatively cheap, and therefore suitable for discharge of a large percentage of phosphate accumulated in the pools water.
Lanthanum products are a potent and exact phosphate remover. They are best remarkable to maintaining low levels of phosphate in pools where performance and convenience are important. They are easier to use and apply than aluminum products and do not require vacuuming to waste after their application. any way they are more expensive and best remarkable for pools with less than 2000ppb accumulated phosphate. One of the main advantages of lanthanum is that its capability to form lanthanum phosphate is not affected by the pools water balance.
A small number of lanthanum blend will cause the phosphate level to drop below 100ppm, while concentrations of below 10ppb are easy to maintain.
Lanthanum compounds work by lodging in the pools filter media or cartridge, gradually dissolving to lightly coat the filter media. As phosphate rich water passes over the lanthanum crystals, they chemically attach themselves to the phosphate - forming lanthanum phosphate. Lanthanum phosphate is not suitable as a nutrient, and binds into larger particles so it can be removed by the pools filter medium. Lanthanum can be stored in the pools filter in large quanties without causing cloudy water.
To conclude, phosphate discharge is the secret to maintaining algae free, capability swimming pool water, while allowing other chemicals to work at their optimal level.
Additional algae insurance, is the use of a preventative, "long life" copper based algaecide to be used in conjunction with regular testing for phosphate.
While phosphate will procure in a pool naturally, there are steps pool owners can take to prevent excessively high levels.
- Do not allow runoff from gardens and lawns to enter the pool
- remove leaves from the pool commonly and instantly
- Apply a lanthanum blend phosphate remover commonly
- Have the pools water tested by a professional.
