Description
Seachem Phosguard 2L — Commercial-Volume Media for Phosphate and Silicate Elimination From Large Display Tanks, Sumps, and High-Bioload Water Systems
Seachem Phosguard 2L (SKU: 724974-188) offers a 2-litre commercial volume of high-capacity phosphate and silicate removal media. Designed for large display tanks, sumps, and high-bioload systems, it reduces phosphate levels, controlling green water, hair algae, and brown diatom outbreaks.
The spherical aluminium oxide matrix ensures water contact and zero channelling. It works continuously until exhausted, providing long-lasting water conditioning for both freshwater and saltwater installations.
Usage & Application
When to Use
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High-Volume Filtration: Ideal for commercial display tanks, coral propagation facilities, and large freshwater systems.
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Acute Phosphate Remediation: Rapidly lowers high phosphate spikes caused by overfeeding or source water issues.
Placement & Usage Guide
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Place inside mesh media bags within sump chambers, canister media columns, or fluidised reactors.
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Check phosphate concentrations every 3–4 days; replace media once phosphate values show an upward trend.
Product Specifications & Highlights
Key Features
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High Hydrodynamic Efficiency: Smooth spherical beads allow high-flow rates without clogging or clumping.
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Dual Contaminant Binding: Simultaneously removes dissolved phosphate and silicate.
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No Chemical Re-Release: Bound ions remain locked in media structure even after capacity saturation.
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Parameter Safe: Neutral composition will not shift total hardness or pH parameters.
Product Details
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Brand: Seachem
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SKU: 724974-188 (Internal ID: 130720)
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Barcode (GTIN/UPC): 000116018807
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Product Type: Aquarium Filter Media / Phosphate & Silicate Removal
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Package Dimensions: 125 mm (L) × 125 mm (W) × 250 mm (H)
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Gross Package Weight: 1,800 g
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Net Volume: 2,000 mL (2 Litres)
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Target Environment: Commercial Systems & Large Sumps
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Treatment Capacity: 2 L treats up to 2,400 Litres (600 US gallons)





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