Copper Meter HR HI93702 - Garden Pools & Bridges

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Ion-specific meters provide a quick, precise and economical way of measuring ion concentrations. These lightweight portable meters have none of the problems associated with expensive ion selective electrodes, but instead rely on an advanced microprocessor and diode photocell to measure a single photometric parameter. Inexpensive reagents make the cost per test often less than traditional chemical test kits and considerably more accurate - typically +/-4%. All units feature a large LCD display and a battery life equivalent to at least 300 tests. Supplied with 2 cuvets, caps, 9v battery and instruction manual.

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Kaituna Watertight Map Case - This high quality map case from Aquapac has a heavy duty redline zip seal to make it easy to use and the tough vinyl construction makes it durable enough to stand up to the wildest conditions outdoors. Rainproof and dirtproof, it has an ultra-clear polymer front for an unimpaired view of maps and charts. It is much more durable than most other map cases and features an eyelet at each corner for easy attachment to bike, canoe etc. 360mm long x 255mm wide Fits Ordnance Survey maps Supplied complete with carry cord

Streak Plates 20-Pack - Always a useful item to have in your field kit to check the identity of minerals in the field or in the lab. Made from 5 x 5cm square of English china.

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