For Freshwater & Saltwater : reads 7.4 to 8.8 pH : 160 Tests

All fish thrive at a particular pH level. pH can fluctuate due to fish waste, tap water and build-up of natural acids. This kit allows you to easily and accurately measure the pH level and maintain a healthy aquarium for your fish. Ideal for African Cichlid and saltwater aquariums

Kit contains:
• : Dropper bottle for accurate dispensing of test solutions
• : Easy-to-read instructions and colour chart
• : Non-staining glass test tube with snap-tight cap

Made in the USA
£3.79

Refractometers

$Refractometers$

Designed for testing the concentration of salt water and brine. It provides a direct reading of the Specific Gravity and concentration (Parts per thousand) of salt water.

Very easy to calibrate and use

With Automatic temperature Control

Very easy to use (Use distilled water to calibrate) : Place water sample on daylight plate : view through eyepiece and read off the scale

Supplied with hard case, soft carry case, pipette for sample, and adjustment screwdriver

This a precision scientific instrument : and has got to be the easiest to use and most accurate method of determining your Marine Aquarium Specific Gravity

£39.95

Instant Ocean Hydrometer

This hydrometer has an easy to read 2-color scale with a safe zone, improved no wet hands design, extra wide stabilizer base, accurate to +/- 0.001, full range scale from: 1.000 to 1.032 in .002 increments except in the safe zone, there it is in .0001 increments (specific gravity), 0 to 40 PPT in increments of 2 (salinity).

Rinse hydrometer with fresh water before using. Slowly fill it by dipping bottom corner fill port below water surface until water flows up and over inner weir. Dislodge air bubbles by tapping hydrometer or pointer, gently with pencil. Placing hydrometer on a level surface, read specific gravity (inside scale) and salinity (outside scale). For most marine aquariums, recommended specific gravity is 1.020 to 1.024. Rinse hydrometer with fresh water before storing. Periodic cleaning is recommended to remove deposits that can accumulate on pointer, causing inaccurate readings. Soak hydrometer in mild acid (vinegar) for 30 minutes, then rinse.
£12.95

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