ecoONE Pool Conditioner 1/2 gallon size. 2-3 month supply. ecoONE® POOL conditioner is a nontoxic additive that reduces and/or eliminates scum lines, scaling and cloudy water. It also helps to stabilize pH and alkalinity by reducing overall chemical use. The product is added once a month leaving your water soft and conditioned. ecoONE® POOL conditioner binds with water contaminants, depositing them in the filter and then ‘recycling’ itself back in to the pool. ecoONE® increases filter efficiency and leaves water feeling soft and conditioned.