ISTA Adjustable Hang-on back Filter (F Series) reagant Change solution evey 2-4 weeks

Change solution evey 2-4 weeks

before and after slides between 57days without using fertilizer

Up to 12 Calcium tests per day with +/-15 ppm precision

The special composition of the product blocks the larval development so that the metamorphosis producing reproductive adults is not accomplished

Increases skimmer efficiency and reduces nutrient depots in the tank

ISTA Adjustable Hang-on back Filter (F Series) reagant Change solution evey 2-4 weeksNo need to add water for re starting Quiet motor operation, adjustable water flow Equipped with water inlet sponge, avoid sucking in small fish Cartridge filtering sponge, easy for replacement