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Filter Media
You are here:  Home » Aquarium Supplies » Filter Media » Phosguard
 
Phosguard
Seachem
  • Bead-shaped for optimum flow
  • May be used continuously or intermittently
    Description
    PhosGuard™ rapidly removes phosphate and silicate from marine and freshwater aquaria. It is not recommended for phosphate buffered freshwater. PhosGuard™ is highly porous for high capacity and bead-shaped for optimum water flow. It outperforms all competing products.

    Why It's Different

    PhosGuard is spherical. Its shape allows for maximum water flow through the media. Granular phosphate removers can become compacted, dramatically limiting their capacity to remove phosphate. If the media can’t come into contact with the water, it can’t remove phosphate from it. PhosGuard is the only spherical phosphate remover on the market. ***Aluminum Oxide IS NOT REGENERABLE. No matter what anyone tells you, baking an aluminum oxide media does not restore its capacity to remove phosphate. This misconception comes from the product’s original intended use: industrial air drying. Obviously, if a product absorbs moisture, the best way to remove that moisture is to bake it out. However, that only removes the water, not the contaminants contained in that water.***

    Comparing Seachem Phosphate Removers
    Product PO4 bound (mg/g)
    PhosGuard (Alumina Oxide) 0.87
    PhosBond (GFO and Alumina Oxide hybrid) 1.19
    PhosNet (GFO) 1.41
    aquavitro phosfiltrum (GFO) 1.71
    Tech Notes
    Aluminum Oxide, Soluble Aluminum, and Coral Toxicity

    In recent years, there has been speculation that aluminum oxide based phosphate removers like PhosGuard™ release aluminum into the water and subsequently damage corals. The evidence to support this claim was largely anecdotal.

    So, through a series of controlled experiments in both freshwater and saltwater, we intended to address both the question of aluminum solubility and aluminum toxicity. The results of these experiments show that under reef conditions (pH near 8) there is no detectable soluble aluminum released from alumina. Under conditions of low pH and high dosage levels, soluble aluminum can be released from alumina; at three times the label dosage rate, we detected 0.2 mg/L aluminum at a pH of 5.3.

    Additionally, aluminum oxide is not easily absorbed into the cell to cause negative reactions. Even at three times the dose of PhosGuard™, soft-bodied corals such as Sarcophyton remain unaffected.

    Directions

    May generate heat on initial contact with water. Pre-wet by adding to a double volume of freshwater (500 mL water), followed by a rinse. For best results, PhosGuard™ should be rinsed before use and placed so as to maximize the flow of water through it but not so that it tumbles against itself in flow. It may be used in a canister filter, media chamber, box filter, or any high flow area of a trickle filter. Use of a filter bag is recommended. Use 85 mL (1/3 cup) for every 200 L (50 US gallons) saltwater or 400 L (100 US gallons) freshwater.

    Leave product in place for 4 days, then test phosphate or silicate concentrations with either MultiTest®: Phosphate or MultiTest®: Silicate. If the concentration of the component you are trying to decrease has not dropped to around 0.02 mg/L, then replace the PhosGuard™, otherwise leave in place until levels begin to climb again. As long as concentrations remain under control, the product is not exhausted. Over treating is not recommended. PhosGuard™ is not an exchange resin and does not release anything into the water. It does not leach phosphate or silicate back into the water and may be removed, dried, and returned to service until exhausted. Continuous use of small quantities is better than intermittent use of larger quantities.

    .


    The 100 and 250ml sizes can be shipped with your livestock order, Click Here to find out how.
     
     
    Item #   Description  
    Price
     
    Quantity
     
    Ships Within
    029963   Seachem, Phosguard, 100ML  
    $ 4.49
     
     
    1-2 Bus. Days
    005578   Seachem, Phosguard, 250ML  
    $ 5.99
     
     
    1-2 Bus. Days
    029964   Seachem, Phosguard, 500ML  
    $ 9.99
     
     
    1-2 Bus. Days
    006306   Seachem, Phosguard, 1L  
    $ 15.99
     
     
    1-2 Bus. Days
     
     
    * Prices are subject to change
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