Seachem PhosGuard 100MI

  • Rapidly Removes Phosphate And Silicate From Marine And Freshwater Aquaria
  • Highly Porous For High Capacity And Bead Shaped For Optimum Water Flow
  • Outperforms all competing products
  • Not Recommended For Phosphate Based Buffers In Freshwater Aquaria
  • 100 milliliters treats 60 US gallons

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Description

Description

PhosGuardâ„¢ rapidly removes phosphate and silicate from marine and freshwater aquaria. It is not recommended for phosphate buffered freshwater. PhosGuardâ„¢ is highly porous for high capacity and bead-shaped for optimum water flow.

Aluminum Oxide, Soluble Aluminum, and Coral Toxicity

In recent years, there has been speculation that aluminum oxide based phosphate removers like PhosGuardâ„¢ 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 PhosGuardâ„¢, soft-bodied corals such as Sarcophyton remain unaffected.

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