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Unlike traditional refractometers that are typically calibrated for brine (NaCl solutions)
Key Features: Adjustable flow rate from 1
5°C – 5°C from set point
Balanced Nutrition: Enhances health
Versatile connection options with 19/25/32/38mm inlets
36" x 24" Replacement Pond Filter Foam Set 90L Unlike traditional refractometers that areThe 36" x 24" Replacement Pond Filter Foam Set is a reliable solution for maintaining clean and healthy pond water. This set includes three types of foam: one fine, one medium, and one coarse, specifically designed for use in gravity fed, flow through filters. Regular replacement of these foams is crucial. If your current foams do not spring back into shape after squeezing, its time for a refresh. Changing them one at a time helps maintain healthy