SRC Member Evolutionz Posted August 22, 2012 SRC Member Share Posted August 22, 2012 Hi guys, i have a set of BRAND NEW pH meter with calibration powder. The powder is pH 4 and pH 7 powder, mix it with 250ML of distilled water and you'll have two calibration liquid. also includes a calibrating screw driver to calibrate the pH meter. Bought extra so this is for sale. Selling at $30. SMS me at 9106-3934 Self Collect at woodlands dr 72 or admiralty mrt. Quote EvolutionZ's Floating Reef: (Decommed) EvolutionZ's 4ft shallow Mixed Reef Build : Link to comment Share on other sites More sharing options...
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