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and waterfalls
Add 1 teaspoon for each 50 gallons/0
Recommended potassium concentration = 375-400ppm
Made in Holland
accurate results for longer
Dr Tim's First Defence Saltwater 120ml (4oz) THERMOMETER and waterfallsChelating agent to detoxify heavy metals Vitamins to fight lateral line erosion Great additive to freshwater dips of marine fish 4oz bottle treats 240 gallons (908 liters) First Defense was developed to help fish adapt to new environments by assisting the fishes' natural immune system. Changing the environment of a fish causes stress that robs fish of essential nutrients and can weaken their immune system. First Defense is scientifically designed to