1.2m Aluminium Handle

This handle fits the range of Snap-Lock net heads. Handle and nets can be interchanged in seconds. ....

1382ppm Solution, 20ml Sachets

A box of 25 sachets of 1382ppm(mg/L) TDS calibration solution. Each sachet contains 20ml of solution and can be used to calibrate any conductivity meter including the pocket, ....

1413uS Solution, 20ml Sachets

A box of 25 sachets of 1413uS conductivity calibration solution. Each sachet contains 20ml of solution and can be used to calibrate any conductivity meter including the ....

1413uS Solution, 500ml

A re-sealable bottle containing 500ml of 1413uS conductivity calibration solution. An economic way of buying conductivity solution, simply use as little as you need, and keep ....

20cm Handle

This handle fits the range of Snap-Lock net heads. Handle and nets can be interchanged in seconds. ....

40cm Aluminium Handle

This handle fits the range of Snap-Lock net heads. Handle and nets can be interchanged in seconds. ....

Bag Sieve (Filter) with Closed End

Rapid filtration can be undertaken using a large mesh bag with a draw cord fitted. The bag is made entirely from mesh (1mm, 500 micron or 250 micron) and can be folded for ....

Combination Test Kit for Aquaculture/Aquarium

This professional kit is designed for monitoring the important parameters for fish and aquaculture applications; Alkalinity, Carbon Dioxide, Dissolved Oxygen, Hardness, pH and ....

Compact & Waterproof pH Meter

A tough and compact pH meter featuring a fully waterproof and dustproof case. Designed with features to make it as 'outdoor friendly' as possible, the meter floats is ....

D-Shape Large Aquatic Hand Net Head

A hand net for use with Snap-Lock handles - this versatile net is great for pond dipping, stream sampling and rock pooling. The 1mm mesh is suitable for general aquatic ....

D-Shape Large Water Hand Net (Spare)

A spare net for the D-Shape Large Sweep Net. These nets are easy to change - they attach to the frame with nine poppers. ....

D-Shape Small Aquatic Hand Net Head

A hand net for use with Snap-Lock handles - this versatile net is great for pond dipping, stream sampling and rock pooling. The 1mm mesh is suitable for general aquatic ....

Dissolved Oxygen Meter

A water-resistant, microprocessor-based, dissolved oxygen meter with automatic calibration and temperature compensation. ....

Drift Net Bag with Closed End

A Drift Net Bag with made from polyester mesh - available in either 1mm mesh or 250 micron mesh. The bag is 0.65m long and tapers to a closed end. ....

Drift Net Bag with Open End

The major problem encountered with nets fitted with bottles or rubber funnels is that the flow of water causes organisms to be deposited on the net itself rather than in the ....

Drift Net Frame

A high quality aluminium drift net frame welded at all seams. This current model is similar in area to previous models but now only supplied with extension plates to ....

Drift Net Filter

The major problem encountered with nets fitted with bottles or rubber funnels is that the flow of water causes organisms to be deposited on the net itself rather than in the ....

Electrode Cleaning Solution, 500ml

A re-sealable bottle containing 500ml of electrode cleaning solution. Using a cleaning solution to clean your electrode once a day or at least once a week - prevents clogging ....

Electrolyte Solution for DO probe, 30ml

Electrolyte solution for use with a Dissolved Oxygen Meter ....

Electrode Storage Solution, 500ml

A re-sealable bottle containing 500ml of storage solution. Always store your electrode in a solution to ensure the junction does not 'dry out'. This will improve the ....

Environmental Monitoring Test Kit

The environmental monitoring test kit is extremely popular with schools and other educational establishments as it contains everything required to carry out a variety of ....

Lightweight Dredge Frame

An aluminium dredge net frame weighing approx. 1 Kg (weight with net bag and towing arms 1.5 Kg) is now available for sampling mud and silt. It is much easier and safer to throw ....

Lightweight Dredge Net Bag

Mesh Net Bag in either 1mm mesh or 250 micron mesh - to fit Lightweight Dredge. ....

Lightweight Dredge Towing Arms

The Lightweight Dredge frame has recently been improved with all joints welded making it possible to fit heavy-duty welded Lightweight Dredge Towing Arms similar to the ....

Lightweight Eco-Net

An economical and lightweight net system designed for educational use. Ideal for Key Stage 1 & 2. This durable lightweight frame is 1m long and includes a comfortable softex ....

Multiparameter Water Quality Meter

A professional portable multiparameter water quality instrument that monitors up to 13 different water quality parameters (8 measured, 5 calculated). ....

Net Bag (200mm Frame)

The Original pHep `Champ'

The Champ is a direct descendant of the Hanna pHep introduced in 1986. It is a small and economic pocket pH meter at only 15cm long and weighing only 85grams complete with ....

pH/ORP/EC Meter - Portable Water Testing Laboratory

Provides the ability to test 4 different environmental parameters using just one simple meter. The design of the meter is such that it can be lowered into the water to be ....

pH/Conductivity/TDS/C Waterproof Meter

Offers the ability to measure conductivity, total dissolved solids (TDS), pH and temperature all in one compact pocket meter. The dual level display shows the pH or ....

pH/Conductivity/TDS/C Waterproof Meter

Offers the ability to measure conductivity, total dissolved solids (TDS), pH and temperature all in one compact pocket meter. The dual level display shows the pH or ....

pH 4 and pH 7 Buffer Solution, 20ml Sachets

A box of 10 sachets. 5 of pH 4.01 buffer solution and 5 of pH 7.01 buffer solution. Each sachet contains 20ml of solution and can be used for calibrating any pocket pH meter, or ....

pH Buffer Solutions, 500ml

Re-sealable bottle containing 500ml of pH buffer solution. These solutions are ready to use straight from the bottle and can be used for calibrating any pocket pH meter, or any ....

pHep4 Pocket pH & Temperature Meter

A state-of-the-art affordable pocket pH meter. Housed in a floating waterproof case with dual level LCD display and rubberised keyboard, it also features a replaceable pH ....

pHep5 Pocket pH & Temperature Meter

A state-of-the-art pocket pH meter with an increased level of sophistication giving 0.01pH resolution. Housed in a floating waterproof case with dual level LCD display and ....

Professional `Naturalists' Dredge Frame

A robust zinc-coated steel dredge for heavy-duty use - conforms to Environment Agency specifications. For use in gravel, silt & mud. ....

Professional Dredge Net Bag

Mesh Net Bag in either 1mm mesh or 250 micron mesh - to fit Professional `Naturalists' Dredge. ....

Professional Hand Net - Bag Only

Woven net bags to fit the Professional Hand Net (250mm wide) series of frames. These high quality bags are interchangeable so you can keep several net bags for one frame. ....

Professional Hand Net (Collapsible Threaded Frame Only)

A very sturdy but lightweight collapsible hand net frame for routine aquatic sampling, field centre use and river sampling. These collapsible hand nets (available in 2 or 3 ....

Professional Hand Net (Frame Only) - Standard 250mm

A very sturdy but lightweight hand net for routine aquatic sampling, field centre use and river sampling. The wooden handle (British Ash) means these nets will float if ....

Professional Hand Net (Standard 250mm Wide Frame)

A very sturdy but lightweight hand net for routine aquatic sampling, field centre use and river sampling. The wooden handle (British Ash) means these nets will float if ....

Professional Waterproof Dissolved Oxygen Meter

A rugged, waterproof meter that solves the common problems of field use, such as cold, rain, snow and dust, which can damage a meter, rapidly deteriorating its performance and ....

Quick Calibration Solution for Multiparameter Water Quality Meter, 500ml

Quick Calibration Solution for the ....

SALINTEST Salt Content Meter

Salintest (HI-98203) salt content meter can help you monitor the concentration of sodium chloride in aquaculture systems. ....

Small Hand Net (Student 200mm Wide Frame)

A very sturdy but lightweight hand net for routine aquatic sampling, school and field centre use. The wooden handle (British Ash) means these nets will float if dropped and ....

Stackable Rigid Sieve (Filter)

A range of four sizes of general purpose sieve for marine or freshwater use. Made from PVC with nylon filtering mesh. The sieves are stackable and have a rim at the base to ....

Student 200mm Wide Hand Net Frame

Water Quality Test Kit

Monitor the most important chemical parameters in water: alkalinity, chloride, hardness, iron, pH and sulfite with this combination test kit. ....

Zero Oxygen Solution, 500ml

A premixed zero oxygen solution for calibrating dissolved oxygen meters. ....