We need to know that the current national standard stipulates that the free chlorine content of swimming pools is between 0.5mg/L and 1.0mg/L, and the chemical residual chlorine content is ≤0.4mg/L. As long as the water quality of the swimming pool meets this standard, it is qualified. However, if people swim in the swimming pool with too much chlorine, it will cause the following dangers: The hazards of excessive residual chlorine are: 1. Very irritating, harmful to eyes, skin and respiratory system 2. Easy to use organic matter in water 3. Cause damage to skin cells and cells, easily cause dry skin, chapped, acne, aging, or changes such as keratinization of palms and thinning of nails. 4. It has a strong damage effect on the hair, which can change the cutin in the hair, resulting in yellowing and drying of the hair. So is there anything that can keep the water quality stable and the residual chlorine up to standard? Dai Si Le's Dark Blue One has this function! The main ingredients of Deep Blue No. 1 are calcium hypochlorite and additives. After being put into the pool water, it can be dissolved naturally without residue. The sterilization rate in water is three times that of traditional medicines, so that other medicines can be greatly reduced. The use of water can also reduce the chlorine smell in the water and provide a more comfortable environment for swimmers. Under normal water circulation and backwashing conditions of Deep Blue One, the urea in the swimming pool will not exceed the standard, and the residual chlorine, PH value and ORP
value in the water will also reach the standard stably. The dosage is 2-4g/m3, which can be added manually or placed on the dosing pump, and the operation is simple and convenient. Product Introduction: TE-70Z Handheld Residual Chlorine · Chlorine Dioxide Dual Parameter Meter is used for photoelectric colorimetric measurement. After the water sample to be tested reacts with the color reagent, the concentration value of the ion to be tested can be directly obtained through instrument measurement. It can be widely used in the detection of ion concentration in surface water, ground water, landscape water and domestic water. This instrument complies with the determination method of the national standard 'GBT 5750-2006 Standard Test Method for Domestic Drinking Water'. Features: Portable packaging, microcomputer touch Type keyboard, display working status in Chinese; ◆Low power consumption configuration, with low voltage indication and automatic shutdown function without operation; Determination by method, randomly equipped with rapid determination reagents, direct reading concentration value;
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