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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Its compact design allows it to fit conveniently under most aquariums
as well as any standard 4"/10cm filter bag holder
Built-in safety features like the auto switch-off function prevent damage
high fish stock up to 6
Dosing: 1 drop per 200L
Fritz 35ppt Refractometer Calibration Solution tank-only Its compact design allows itPre measured refractometer calibration solution takes the guesswork out of properly calibrating your instrument with no need for expensive or unreliable measuring equipment. A refractometer is essential to the saltwater hobbyist for success. Maintain its accuracy by recalibrating regularly. Directions & Dosage Shake bottle well before application. Ensure the refractometer prism surface is clean, wipe with distilled or RO water if necessary and dry