Quick test to determine the nitrite content in freshwater/marine aquariums & ponds Nitrite is a toxic nitrogen compound, which is formed when the bacterial balance is disturbed or when setting up a new aquarium. The test shows the exact nitrite content of the water Laboratory comparator system to compensate the inherent water colour: fill glass vials with sample water, add reagents to one vial, place vials in holder, read values off colour chart Use: when setting up a new freshwater aquarium: daily for 3 weeks. For initial setup with marine water: once a week. For use with fish diseases or fish deaths You will find detailed information and troubleshooting tips about water analysis on the JBL website in Essentials/Aquarium or Pond Package contents: 1 nitrite test for approx. 50 measurements, incl. 2 reagents, 2 glass vials with screw caps, syringe, comparator block and colour scale. Reagent refill separately available Best Before Guarantee: 30/06/2026

Measurement and control computer for control of CO2/pH. Key Features: • Promotes plant growth and leads to lively fish: measurement and control computer with touchpad for the high-precision calculation and control of the best pH value in aquariums. • Connect sensors (pH sensor not included), set desired values in menu, connect with solenoid valve (not included). • Digital measurement and control technology: graphic display, direct user interface, separate sensors for pH value and temperature. • Compares desired and actual pH value and controls the CO2 supply with solenoid valve (not included). Item has to be used with  JBL PROFLORA CO2 pH SENSOR SET,  SKU JB6465100

Water backflow stop for CO2 systems. Key Features: • Special water backflow stop for aquarium accessories. • Accessory for CO2 systems, pH control devices and solenoid valves. • Easy to install: integrate the backflow stop between diffuser and CO2 system with the arrow in the direction to the aquarium. • For CO2 hoses with ¯ 4/6mm.

Copper kits are usually of two types: compleximetric or titration based. Some kits measure only ionic copper and others measure both ionic and chelated copper. This kit uses a highly sensitive catalytic compleximetric based procedure to measure all types of copper to less than 0.01 mg/L in marine or freshwater. MultiTest Copper performs over 75 tests and contains a reference sample for validation. KEY FEATURES: Measures all types of copper to less than 0.01 mg/L Multi-cavity plate for simultaneous testing of up to 6 tests at the same time Includes reference for test validation Marine or Freshwater Best Before Guarantee: 31/07/2025

This kit combines the Marine pH and alkalinity, ammonia, and nitrite and nitrate kits into one kit. MultiTest Marine Basic performs over 75 tests and contains reference samples for validation. KEY FEATURES: Combines the marine pH and alkalinity, ammonia, and nitrite and nitrate kits Multi-cavity plate for simultaneous testing of up to 6 tests at the same time Includes reference for test validation Best Before Guarantee: 31/07/2025

pH Alert is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously. A sensor changes color reversibly from yellow to orange to red alerting you to shifts in pH levels between 5.4 and 8.0. Freshwater use only. KEY FEATURES: Continuously monitors pH in freshwater Seachem sensor technology No tests, no strips Lasts up to 4 times as long as competing products Best Before Guarantee: 30/08/2026

Apron - 0.50mm lead equivalence - 120cm

Radiation protection googles.

The optical BRIX Refractometer from LW Scientific measures sugar content in liquids, such as wine, beer, fruit juices, soft drinks, milk, colostrum, and yeast cultures. It can be used in the lab or in the field, simply by putting a few drops of liquid onto the prism and reading the scale under ambient light. The BRIX Refractometer features a 0-32% scale, focusing eyepiece, automatic temperature compensation, and comes in a hard carry case.

Urine beaker 125ml, with 25ml scale, snap on type.