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Digital TDS-3 Pen Meter (TEMP/ PPM/ TDS)
Digital TDS-3 Pen Meter (TEMP/ PPM/ TDS)

This Meter contains 3 functions for testing Temperature , PPM and TDS  ! Features:   ..

High Quality Bio-Sponge ( Black )
High Quality Bio-Sponge ( Black )

A must to have Biochemical cotton in a filter for cultivation of nitrifying bacteria, puri..

pH meter
pH meter

100% brand new. High Quality. An ideal instrument for aquarium, fishing industry, swimming poo..

Salinity Refractometer
Salinity Refractometer

For marine aquaria, this refractor also displays the specific gravity and is controlled between 1.02..