chloramines

This year’s chlorine flush will be from now until mid-may. Any tips for how to adjust my tank cycling/water change process? https://www.dcwater.com/chlorine-switch

Does an RO unit need a special configuration for a water supply with Chloramines? I got one at the catfish convention, but the manual says it is only warranted on a non-chlorinated water supply. It is the ValueLine brand. Here is there most recent manual...