Water Test Strips 7-Way Kit - Garden Pools & Bridges

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Water test strips are ideal for testing water quality in the field. They are not intended to replace expensive laboratory tests, but will give a clear indication of the state of the water and whether further testing is necessary. Simply dip the test strip into the water and match the colour against the chart provided. Tests pH, TA, TH, F+T Cl, NO3, NO2. 2 strips of each

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Voyager 8010 Compass - This simple Voyager Series base plate compass has a built in magnifier for detailed map reading. The Voyager series feature a multi-zone balanced needle that will work anywhere in the world, plus map-measuring scales and magnetic declination adjustment. Units: mm, inch. Scales 1:250000, 1:25000, 1:24000, 1:50000, 1:63360

Romer & Linear Scale Card - Handy romer and linear scales on clear plastic sheet. Scales for 1:25 000, 1:50 000 and 1:63360, plus conversion from/to miles and kilometers. Card 13 x 8.5cm

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