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Specially designed for Fluval FX4
Directions: Use 10 mL (2 teaspoons) per 400 gallons once or twice a week
slowly wiggling it back and forth
HeliaLux UniversalFit
place in your pond filter so as to maximize the amount of water passing through it
Aqua Medic Temperature Controller Twin Clarifiers & Biological Additives Specially designed for Fluval FX4Digital temperature monitor & controller, for the control & monitoring of heating systems and cooling units simultaneously. Touchscreen display Switching accuracy of 0. 1 C The temperature controller T controller twin is used for controlling both heating systems & cooling units. Measuring and switching accuracy is 0. 1C. The control range varies from 16 40C, and the set value is in 0. 1 C increments. The maximum load for heating systems is 1,200 watts
