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Full complement of trace elements
Made in Holland
and waterfalls
Recommended potassium concentration = 375-400ppm
Add 1 teaspoon for each 50 gallons/0
Dr Tim's First Defence Saltwater 120ml (4oz) THERMOMETER Full complement of trace elementsChelating 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
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