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It minimises the stress on fish
It is extremely toxic to fish and invertebrates
even when running at 100%
Batteries (installed)
HM Digital TDS-4 TDS Meter LED It minimises the stress onAccurate & Reliable Water Quality Testing The HM Digital TDS 4 TDS Meter is a compact, handheld device designed to measure Total Dissolved Solids (TDS) in water quickly and accurately. Ideal for hydroponics, aquariums, drinking water, water filtration systems, and more, this easy to use meter delivers fast digital readings to help you monitor water quality with confidence. Key Features Measures Total Dissolved Solids (TDS) in ppm (mg L) Measurement
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