Product Sections

Main Pages

Best Sellers

9 cubm/hr 3.00m long fine bubble air diffuser for waste water treatment

9 cubm/hr 3.00m long fine bubble air diffuser for waste water treatment

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
find out more

AFM grade 1 filtration media

AFM grade 1 filtration media

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

find out more

Oxygen standard probe

Oxygen standard probe

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 6.5 mv to approx 1mg/l dissolved oxygen. Ideal probe for the Dryden Aqua, AquaTraul system or 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.
find out more

Aquaculture | Water Technology | Environmental Products.....delivered worldwide

Oxygen probes

dry1 | Instrumentation, OxyGen monitors & water test kits | Oxygen monitoring, probes & controllers | Oxygen probes

Oxygen standard probe

Oxygen standard probe

Ref: 8.4.37


Price: £280.00 / €322.00 (Excluding VAT at 17.5%)

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 6.5 mv to approx 1mg/l dissolved oxygen. Ideal probe for the Dryden Aqua, AquaTraul system or 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.
more information

Extra cable for standard stationary oxygen probe.

Extra cable for standard stationary oxygen probe.

Ref: 8.4.51


Price: £3.76 / €4.32 (Excluding VAT at 17.5%)

The standard cable length for the oxygen probe is 5m, if you require more cable is must be ordered at the same time as the probe.

The probe cable is a very high performance urethane cable, with kevlar reinforcement. This cable is designed for deep sub-sea applications.
more information

Oxygen probe with  temperature sensor

Oxygen probe with temperature sensor

Ref: 8.4.56.1


Price: £295.00 / €339.25 (Excluding VAT at 17.5%)

High performance, very robust galvanic oxygen probe for the measurment of dissolved oxygen in water, waste water and air. Fitediternally with a pt100 temperature sensor. Completely sealed internals, so there is no risk of insulation failure, heavy duty Sub Sea cable, high mv out-put 6.5mv to approx 1mg/l dissolved oxygen. Ideal probe for the Dryden Aqua, AquaTraul system or 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.
more information

Extra cable for oxygen probe with temp sensor

Extra cable for oxygen probe with temp sensor

Ref: 8.4.37.21


Price: £4.48 / €5.15 (Excluding VAT at 17.5%)

The standard cable length for the oxygen probe is 5m, if you require more cable is must be ordered at the same time as the probe.
more information

Oxygen probe service

Oxygen probe service

Ref: 8.4.37s


Price: £24.50 / €28.18 (Excluding VAT at 17.5%)

Dryden Aqu oxygen probes are very easy to maintain and service. However if you have a probe that needs some extra attention, it may be returned to Dryden Aqua for a full check over and service. We also include electrolyte and a pack of membranes ith each probe.
more information

Membranes (mg/l) for oxygen probe with `o` rings

Membranes (mg/l) for oxygen probe with `o` rings

Ref: 8.4.41


Price: £16.89 / €19.42 (Excluding VAT at 17.5%)

Packet of 25 membranes for the AquaTraul oxygen probe, using these membranes will convert the probe to give readings in mg/l
more information

Membranes for oxygen probe to give % sat readings with `o` rings

Membranes for oxygen probe to give % sat readings with `o` rings

Ref: 8.4.42


Price: £16.89 / €19.42 (Excluding VAT at 17.5%)

Packet of 25 membranes for the AquaTraul oxygen probe, using these membranes will convert the probe to give readings in percenatge saturation
more information

Electrolyte for oxygen probe 500ml

Electrolyte for oxygen probe 500ml

Ref: 8.4.3.1


Price: £8.73 / €10.04 (Excluding VAT at 17.5%)

Electrolyte for AquaTraul oxygen probe
more information

Electrolyte for oxygen probe 1000ml bottle

Electrolyte for oxygen probe 1000ml bottle

Ref: 8.4.3.2


Price: £15.63 / €17.97 (Excluding VAT at 17.5%)

Electrolyte for AquaTraul oxygen probe
more information

Electrolyte for oxygen probe  powder

Electrolyte for oxygen probe powder

Ref: 8.4.3.3


Price: £43.95 / €50.54 (Excluding VAT at 17.5%)

Electrolyte for our oxygen probes, supplied as a powder. Add the entire contents to 20 litres of purified water to make the oxygen probe electrolyte.

Purfied water can be water from a reverse osmosis filter or distilled water.
more information

Junction box for one probe

Junction box for one probe

Ref: 8.4.45Q


Price: £10.68 / €12.28 (Excluding VAT at 17.5%)

A waterproof junction box IP67 to facilitate the connection of the probe cable to a two core round cable, terminal strip and two cable glands are supplied
more information

Junction box for 8  probes

Junction box for 8 probes

Ref: 8.4.46


Price: £56.53 / €65.01 (Excluding VAT at 17.5%)

A waterproof junction box to facilitate the connection of 8 probes cable to a multi-core cable..
more information

dry1 > Instrumentation, OxyGen monitors & water test kits > Oxygen monitoring, probes & controllers > Oxygen probes

Prices shown are all ex-works Edinburgh Scotland