Final chlorine solution volume = 100 litres = 100,000ml (because 1 litre = 1000ml)Ģ. Here’s the 3 important numbers you need before you start…ġ. To prepare 100 litres of a 200ppm solution from a 12.5% sodium hypochlorite (NaOCI) solution, the following calculations are needed… You should get your own advice on the initial concentration of the sodium hypochlorite solution you are using. Most of the time calculations are made at the 12.5% mark.
To answer Crystal’s question, it's not as simple as 200 parts Hypo to 1,000,000 parts water (which would be 1:5000) because you have to allow for the starting concentration of Sodium Hypochlorite of 10-13%. For accurate instructions, you are best consulting with whoever is recommending any specific direction as to how best to calculate the correct dilution to avoid any confusion because these matters are often critical in certain applications. When manufactured the concentration is about 13% but this reduces due to time, exposure etc. Parts per million with a Hypo solution can be a difficult thing to accurately calculate and measure because by nature the Sodium Hypochlorite level in the concentrated form reduces over time from the point of manufacture. General cleaning is the application we supply our Hypo for primarily but in many specialty applications where sanitising is required a parts per million recommendation or requirement can be requested.
Our Hypo product label states that for general cleaning you should use at 1 part Hypo to 500 parts water, so for every 500 litres of ready to use solution one litre of Hypo needs to be added. Now let's start talking parts per million and dilution rates. Note: For those of you who would just like to know how to quickly calculate cleaning chemical dilution rates and ratios click for the article here. Can you please advise how much hypochlorite solution this would be? And to how much water? Thank you, Crystal” The instructions I have are to mix this to a 200 parts per million solution. “Hi guys, I have received the order of hypochlorite solution, but I have a question with regards to dilution. Here’s a great question asked by one of our clients recently…
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