ARKA - myAqua TDS/EC Meter Including Calibration Solution - Quickly and Safely Measures The Anti-Dissolved Substances TDS, The Electrical Capacity EC & Temperature of Water
ARKA myAQUA pH Meter & TDS/EC Meter Set - Perfectly Calibrated for Aquariums, Pools, Ponds & Drinking Water. Ideal for Precise Water Quality Measurements
ARKA - myAqua®190/380 - Set of fine and Carbon Filters, 1 Piece
ARKA - Resin Filter Refill for myAqua 1900 - Pure Water Filter, Removes Finest Residue from Silicate, Nitrate, Ideal for Any Saltwater & Freshwater Aquarium, RFR1900, Multi-Coloured
ARKA Digital pH Meter for Water myAQUA Tester precalibrated – incl. calibration powder & battery – accurate pH readings (0.00–14.00) with ±0.01 precision – for aquarium, RO, tap, pond & pool
Mixed bed resin aquarium – ARKA Resin-Pure 25 l – DI resin for RO systems – removes 100% TDS, silicate, nitrate & phosphate – ultra-pure water for reef & freshwater tanks – ion exchange media
