Safechem Direct - Chemicals & Aerosols

Algae Treatments

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Treatment of Algae in water tanks

Algae are single cell plants containing chlorophyll and are one of the hardiest and most widespread living organisms on this planet, existing in over 30,000 different varieties. Algae require warm water, sunlight, and carbon dioxide to grow and water contained in 1000 IBC tanks has the potential of providing just such an environment.

Algae are a variety of fungus. There are several types of algae, green, red, mustard, black, clear, pink slime and others. Green algae are usually free floating in the water, while blue black cling to the walls and floor and mustard yellow algae may be found growing on the shaded side. Black and yellow algae are usually the toughest to kill.

Prevention is by far the most effective way to deal with algae. Brush and rinse tanks using pressurised water to remove all algae deposits prior to hire. Maintain a disinfectant treatment with a residual. Start treatment of water on the initial fill and maintain treatment throughout the hire period.

Water Steriliser is a water treatment designed to sterilise potable water preventing the growth of algae and bacteria. It maintains the water quality within fresh water storage tanks and vehicle fresh water tanks. It is odourless, non chlorine based and will not disrupt the biocide or dye used in chemical toilet additives. This product is also suitable for flushing and sterilising water pipe work prior to installation.

An initial dose of 2 litres per 1000 litres water will “shock” the system and remove algae and bacterial deposits. Allow to soak for up to 2 hours. Drain down prior to commissioning of the system. No need to rinse.

If it is necessary to re treat the system, dose at 1 litre per 1000 litre water. Water treated with water steriliser is not suitable for drinking, but is safe for hand washing and general use

 

Chlorine tablets are an alternative way of controlling algae, but have an inherent problem of chlorine (bleach) odour. People with sensitive skin may react to chlorine solutions.

To “shock” the system and remove algae, a solution of 30 parts per million is required. For ongoing maintenance of the system usually 5 parts per million is sufficient. In extreme conditions up to 10 parts per million may be required to be effective, however the water will have a stronger smell of chlorine at this dilution

SHOCK TREATMENT - to treat 1000 litres of water add 25 - 30 tablets. Allow to soak for up to 2 hours. Drain down and rinse with fresh water.

MAINTENANCE - to treat 1000 litres of water add a minimum of 6 tablets. If the tank is topped up with water add tablets proportionate to the quantity of top up water as follows…..

Quantity of water used to top up the tank:-

1000 litres water – add 6 tablets

500 litres of water – add 3 tablets

250 litres water – add 2 tablets

125 litres water – add 1 tablets

 

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