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Mains voltage AC 12V
conventional pond filters
or aeration from an air pump and airstone is recommended
Evolution Aqua Blanketweed is 100% fish
Hanna pH Checker Mains voltage AC 12VQuite simply our most popular pH tester, the Checker is a real favourite with its clear LCD display, long thin pH electrode and ease of operation. Key features Sturdy compact meter designed for direct sample testing Easy to read LCD with 0. 01 pH resolution Thin long reach pH electrode included as standard Electrode is quick and easy to replace by unscrewing it from the meter body and adding a new one Two point calibration is simple to perform by
