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Dears please why always we should add caustic soda solution be diluted to water not vice versa? Thank you

Please I would like to know the limiting values of water total hardness that use for 316L Stainless Steel Heat Exchangers? many thanks.

Please what is the specification of Hydrochloric Acid to be use for potable water (Food Grade)? Thank you

Dear Sirs We are facing many corrosion in our Stainless steel network pipe and PHE. we are dairy factory, our water from RO. Kindly i am asking the possible reasons for that and what shall we do to stop it. Thanks

Please What is the procedure for cleaning RO membranes? And which one should always be performed first The high pH cleaning Or The low pH? Thank you

Dear Sirs Please your recommendation We need our final product water total hardness between 70 and 120 mg/ltr. To be use for Dairy applications( water type RO permeate) Thank you

Dears please advise the TDS of my RO becomes high after frequent CIP but delta p and productivity are good I heard there is special treatment for membrane element Thank you

Dears I need to use Sodium Hydroxide as PH adjuster for portable water but i have to use food grade one please give me some manufacturer and please let me know how i know this food grade or not? which certificate they should have? Thank you

Dears I have to choose between two products of calcium hypochlorite ( HTH Easiflo Granules and HTH Shockfrom) from Accepta company to Sterilization permeate water from reverse osmosis which use for Dairy Processing. please for your recommendation and advice Thank you

Dears I am new in Reverse Osmosis technology and i am looking for documents(ppt, pdf...etc) or sites videos explain that so please if you can help me i will be highly appreciated Thank you

Dears we have boilers produce steam with 7 bar and we use it for Dairy application we have PRV's to get 4 bar, 1 bar and 0.3 bar so please what is the Corresponding temperature for each pressure Thank you

Dears, we do frequent CIP to our RO's due to Delta p high please i need your advice ( SDI > 5) Regards