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50% solution of NoPhos, Contact your local dealer, or Dryden Aqua for ordering information;

A flocculent to be used prior to sand or AFM filtration systems. The flocculent is focused on the removal of phosphate from water, wastewater and environmental systems such as zoos, aquatic displays and lakes. When used in conjunction with AFM filter media it acts as a surface catalyst and will accelerate the oxidation and cracking of organics as well as helping to disinfect the water.

2 x litres will remove approx 100g of phosphate as PO4--P.
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Replacement stainless steel resonator transducer.
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Resonator for connection onto ZPM unit, or for connection on to floating platform for algal control in ponds and lakes.
The Dryden Aqua Resonator is a 100 watt out -put ultrasonic resonator focused to product nano-bubble cavitation of the water. The equipment is tuned to a resonant frequency of water which amplifies the action of the high frequency shock waves. The equipment is about 10 times more powerful than most other systems on the market, and is the only one which has been specifically focused to hit a resonant frequency of water.
Resonator head is manufactured in 316 stainless steel and is fitted with a 5m cable. Power supply is 230 v ac 50/60 hz or 24 vdc.

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Fine bubble high performance air diffusers. Semi flexible diffuser construction 300cm long 32mm diameter. Maximum recommended air flowrate is 10 cubic metres of air per hour. Materials of construction are plastic with 316 stainless steel end fittings, aslo fitted with non return valve in diffuser. Diffuser contains its own internal fused silica bead ballast. End fittings are 1/2" acetyl plastic as standard.

The Dryden Air diffuser is the leading air diffuser used in UK aquaculture, treatment of leachate water on landfill sites, sewerage treatment and numerous other applications.


OEM and dealer enquires welcomed
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AFM (Advanced Filtration Media) grade 1 is the standard sized AFM media equivalent to 16 x 30 grade sand. M

Supplied in 25kg sacks, grade 1 particle size 0.5mm to 1.10mm. Media should be used on top of a layer of grade 2 AFM.

Price is per 25kg sack

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High performance, very robust galvanic oxygen probe for the measurment of dissolved oxygen in water, waste water and air. Completely sealed internals, so there is no risk of insulation failure, heavy duty Sub Sea cable, high mv out-put 8 mv to approx 1mg/l dissolved oxygen. Ideal probe for your own oxygen monitors such as multichannel or stand-alone PLC based systems.

The probe is supplied with 5 meters of cable (alternative lengths available), pack of 5 membranes and 50ml of electrolyte.

Please enquire about discounts for orders of 10 or more.
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