OZpolish H2O by Aquatic Habitat | Aquarium Water Conditioner with Essential Minerals and Salts | Reduce Calcium Lining on Fish Tank Wall (Dry; 100 g). Disturbing fact is that in found of clean tank water we filter-out many essential minerals from water, which has adverse effect on the aquatic lives. Why can't fishes live in Distilled Water (no TDS)? In hobby, aquarists may baffle on the optimal water quality. For all the concerns, no wonder, identified should be the top Solutions! Water Solution# 1. Nature Water:-OZpolish H2O has selected minerals and salts that is needed for fish health & immunity and for aquarium sustenance between periods of water changes. Though this increases the TDS, it helps mimic the mineralized water that flows thru rivers and streams. This is done by restoring the electrolytes in the water. Increased TDS due to essentials, is not bad! Water Solution# 2. Pollution Free:-OZpolish H2O removes the contaminants, including heavy metals, without any expensive or complex filtration. It supports the growth of beneficial bacteria. Good for underwater flora, fauna and microbes! Water Solution# 3. Soft Water:-OZpolish H2O has a safe Active Agent to reduce the calcium and magnesium deposition on glasses, equipment and plumbing. Regular usage could make glass clear and extend the equipment’s life. Makes inside aquarium clear vision! Water Solution# 4. Low Cost:-OZpolish H2O helps in reducing the aquarium maintenance cost, time & effort to the lowest possible; and saves the water. Light on money, easy on hobby! --------------------- Instruction: -Sprinkle on the aquarium water. Easy Dose: -1 spoon in every 200 litres of water weekly and at the time of water change. Proportionately adjust for less or more water. Dose recommended with a consideration of Fishes to Water Surface Area Ratio to 1:7. Precautions: -*DO NOT OVER DOSE. Over dose will could raise the TDS high. *Keep out of reach of children. *Made in India. *Manufacturer claimed for the product been tested at various levels for safety and efficacy. Happy Fishkeeping!!