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sponges and crustaceans
2 x Filter Basket
Perfect for fishkeepers looking for a safe
ensuring the wellbeing of your underwater ecosystem
Fritz 35ppt Refractometer Calibration Solution flipper sponges and crustaceansPre 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
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