Aquaforte Phospat 1

Aquaforte Phospat 1

Phosphate removal through a replaceable filter cartridge

AquaForte Phospat 1 is a phosphate-removing cartridge for ponds, natural pools, fountains and circulation wells. It is designed to keep phosphate below the level at which blanketweed and algae can thrive, while remaining safe for plants and biological filtration.

Aquaforte Phospat 1 is a highly effective phosphate filter designed to reduce one of the main contributors to blanketweed and algae growth in ponds—excess phosphate. Using advanced filtration media, this unit keeps phosphate levels below 0.035 mg/l, the threshold at which algae cannot grow, yet remains perfectly safe for plants, fish, and beneficial bacteria. What sets the Phospat 1 apart is its permanent phosphate binding.

Unlike some filters, it does not leach phosphate back into the water once saturated. With an adsorption capacity of up to 90,000 mg, this compact but powerful filter supports water quality while enhancing the performance of your biological filtration system. The Phospat 1 is ideal for ponds, natural swimming pools, fountains, and circulation wells, with a maximum flow rate of 1100 litres per hour and suitable for pond volumes up to 50,000 litres (50m³).

Water testing products are the starting point for most pond treatment decisions. Accurate test results help show whether the issue is ammonia, nitrite, pH, KH, phosphate, chlorine, nitrate or another water parameter. This avoids guessing, reduces unnecessary dosing and gives a clearer record of how the pond responds after treatment, water changes or filter maintenance.

AquaForte water treatment products include phosphate control, water improvement and sludge/nutrient management. Their Phospat products reduce phosphate, one of the key nutrients that feeds filamentous algae and green water issues.

Using the phosphate cartridge

Fit the Phospat cartridge behind a suitable pre-filter so dirt does not block its media. Test phosphate before and after use, maintain the specified flow and replace the cartridge when saturated.

Key benefits

• Uses solid media to bind phosphate from flowing water
• Removes dissolved phosphate through a replaceable media cartridge
• Useful for koi ponds, garden ponds and larger pond systems
• Works alongside water testing; it is not a measurement device
• Works alongside separate phosphate tests to check performance
• Use a pre-filter and replace the cartridge when exhausted

Technical information

• Brand: AquaForte
• Treatment type: Phosphate-removal filter cartridge
• Product form: Replaceable solid-media cartridge
• Target issue: Dissolved phosphate
• Best use: When measured phosphate and the cartridge instructions indicate a need
• SKU / product code: MD995
• Dosage / capacity guidance: Phospat 1 adsorption capacity approx. 90,000mg phosphate; flow up to approx. 1,100 LPH; suitable up to approx. 50m³
• Important note: Install behind pre-filtration, maintain the specified circulation flow and monitor phosphate

How to use safely

The product label should always take priority over general guidance. The points below are included to help customers use Aquaforte Phospat 1 in a more careful and informed way.

• Maintain pond circulation within the specified cartridge flow range.
• Replace the phosphate-binding cartridge when saturated; it has no test reagents.
• Follow the supplied installation and first-use flushing instructions.
• Check treated-water performance and replace exhausted media according to the manufacturer instructions.
• Test before dosing treatments and again afterwards where suitable.
• Check the treated outlet water with a separate suitable test.

Helpful related products and advice

Use these links to compare similar products in the same range or choose supporting testing, purifier or maintenance products where relevant.

• AquaForte Biostabil Water Improvement
• Aquaforte Phospat 3
• Evolution Aqua Detox Dechlorinator 12 Inch
• Evolution Aqua Detox Dechlorinator 30 Inch
• Oase Inline Dechlorinator
• Browse pond water testing
• guide to maintaining ideal pond water conditions
• koi water quality guide
• pH levels in ponds guide
• water hardness and pH stability guide

Related treatment options

For similar pond treatments, compare Water Clarity & Nutrient Control, Aquaforte Phospat 3, Microbe Lift Natural Complete Kit. These links are included to help you choose the right product for the same type of pond problem, rather than as random add-ons.