For lowering or removing TDS Tulsion MB 101 CC is a great resin to use It comes in a blue amp black resin 11 ratio and when exhausted turns orangeWhat is Tulsion DITULSION MB 101 CC is a mixture of strongly acidic cation exchangers in in 1 1 volumetric ratio of Tulsion T 46 in hydrogen form and strongly basic anion exchange res in Tulsion A 33 in hydroxide formTULSION MB 101 CC has a specially designed indicator which by its property of change of color from green to amber indicates its exhaustion Additional Details ------------------------------ Product description: For lowering or removing TDS Tulsion MB 101 CC is a great resin to use It comes in a blue amp black resin 11 ratio and when exhausted turns orangeWhat is Tulsion DITULSION MB 101 CC is a mixture of strongly acidic cation exchangers in in 1 1 volumetric ratio of Tulsion T 46 in hydrogen form and strongly basic anion exchange res in Tulsion A 33 in hydroxide formTULSION MB 101 CC has a specially designed indicator which by its property of change of color from green to amber indicates its exhaustion