Guide to Algae Controllers
An Algae Controller is a piece of equipment that is installed on a plumbing line, typically after the pump in-line (on the discharge side of the plumbing system). The unit releases a minute amount of minerals into the water to help keep string algae under control within the natural pool or pond.
Some algae will always be present in a natural pool, including a bio-film or "living patina" on surfaces underwater. Unlike a chlorinated pool, the presence of filamentous algae in a natural pool is not a bad thing and can actually be a sign that the ecosystem is healthy and thriving. However, when the algae starts to form long strings and becomes a nuisance to users, an Algae Controller can help get it under control, especially when other gentle forms of algae control haven't worked.
In a natural pool (or any kind of pond with a biological filter), it is never recommended to use algaecides or heavy doses of copper: These treatments will kill the string algae, but also risk killing all the good parts of the ecosystem too, including the beneficial bacteria in the bio-filter, the plants, fish and other micro-organisms that call the pool home. When used correctly, an Algae Controller can curb that stubborn string algae without harming bacteria, fish or plants. Note that string algae is different from waterborne algae (sometimes called blue/green algae) which causes a loss in water clarity and can be dangerous to swim in. For more information, see our Algae 101 guide.
Some algae will always be present in a natural pool, including a bio-film or "living patina" on surfaces underwater. Unlike a chlorinated pool, the presence of filamentous algae in a natural pool is not a bad thing and can actually be a sign that the ecosystem is healthy and thriving. However, when the algae starts to form long strings and becomes a nuisance to users, an Algae Controller can help get it under control, especially when other gentle forms of algae control haven't worked.
In a natural pool (or any kind of pond with a biological filter), it is never recommended to use algaecides or heavy doses of copper: These treatments will kill the string algae, but also risk killing all the good parts of the ecosystem too, including the beneficial bacteria in the bio-filter, the plants, fish and other micro-organisms that call the pool home. When used correctly, an Algae Controller can curb that stubborn string algae without harming bacteria, fish or plants. Note that string algae is different from waterborne algae (sometimes called blue/green algae) which causes a loss in water clarity and can be dangerous to swim in. For more information, see our Algae 101 guide.