The ultimate phosphate removal media for freshwater and saltwater aquariums. Originally developed in Germany to treat water supply mains, this unique and patented ferric hydroxide media is chemically engineered for efficient removal of phosphate, arsenic, and silicate. Rowaphos binds aquarium pollutants and does not release phosphate back into the water even when exhausted. Increased concentration of the aquarium pollutant phosphate can contribute to unwanted conditions including aggressive nuisance algae growth and inhibition of calcification in such marine organisms as calcareous algae and hard corals. Use Rowaphos to effectively remove phosphate and improve aquarium water quality. The binding (adsorption) capacity of Rowaphos is approximately 25 grams phosphate per kilogram of media.
Please click on "More Information" for directions for use.
To reduce the phosphate level in the water column by approximately 3 ppm phosphate measured as (PO4) use:
The lifetime of the filter material, like the usage, depends entirely on the PO4 concentration in the aquarium. Regular checks with a precise and reliable phosphate test will show the extraordinary effectiveness of Rowaphos. In addition, it will indicate in advance when the filter material is due to be changed.
Rowaphos can work for several months in the aquarium before replacement is required, depending on the initial phosphate concentration and level of feeding. It is important to remember that with an established aquarium that has not used Rowaphos before, phosphate concentrations may be at exceptionally high levels of 5 ppm or more requiring several times the quantity specified above to remove the phosphate from the water column and to eradicate levels absorbed into the substrate and rocks.
Use Rowaphos immediately when setting up a new aquarium. This ensures that no high PO4 concentration can arise in the first place. To eliminate phosphate successfully, it is necessary to use Rowaphos in a new or matured aquarium on a permanent basis.
Note: Do not rinse Rowaphos before use! In some cases the use of Rowaphos can turn the aquarium water slightly brown in color due to the dislocation of finer particles of the material. This is completely harmless for fish or any other organisms and will disappear after a short period of time.
Always replace the lid of the Rowaphos container after use.
Tips on Rowaphos
Rowaphos will adsorb phosphate, silicate, and arsenic and is entirely safe in both fresh and saltwater systems. It does not release any of the absorbed materials back into the aquarium even when fully loaded.
Rowaphos only needs replacing when the phosphate levels in the aquarium or at the outlet from the canister filter start climbing. This indicates that the Rowaphos have absorbed phosphate to its full holding capacity.
During use of Rowaphos, you will see no ill effects. Additionally, if you are using Rowaphos in a saltwater invertebrate aquarium, hard and soft corals may grow up to approximately three times as fast when phosphate levels are below 0.015 ppm.
Phosphate Levels and Testing In marine systems, phosphate levels should always be maintain below 0.015 ppm (when measured as phosphorous 'P', 0.046 when measured as phosphate ion 'PO4-'. In freshwater systems and ponds, phosphate levels should be less than 0.03 ppm 'P' and 0.092 ppm 'PO4-').
To Flush the Media:
Phosphate (PO4) in the aquarium is caused by the decomposition of organic substances. In the confined habitat of an aquarium, several of these decomposition processes take place on surplus food, dead plant and animal matter, animal waste, etc.
Phosphate is an important component of life, which is harmless only in low concentrations. Natural waters that have not yet been polluted by human intervention show very low PO4 concentration. However, it is nearly impossible to maintain this ideal condition in an aquarium without artificial aid.
An increase in concentration leads to unwanted conditions including aggressive nuisance algae growth and to the inhibition of calcification in certain specialized marine organisms, such as calcareous algae and hard coral. To remedy these phosphate-induced conditions, it is recommended to always keep the concentration of phosphate at or below 0.1-0.3 ppm in freshwater systems and in saltwater systems, it should always be kept below 0.015 ppm.
This target level can be easily achieved with Rowaphos. This highly active filter material can be used in freshwater as well as saltwater systems. Rowaphos binds PO4 without negatively influencing aquarium water. When exhausted, Rowaphos does not release phosphate back into the water. Rowaphos can and should be used in aquaria with sensitive fish such as Discus or in marine aquariums with complex organisms.