2 scrollers, 1 dimmer

Question

2 source 4s one the same dimmer, each with a scroller. 
 How do I calibrate or adjust one scroller without changing the other? 
 I currently have the dimmer (2 lights) and one scroller on channel 60. The second scroller I have on a different channel, so I can control and adjust it separately. However, I cannot mark it, as it does not have the dimmer attached to it. I could give it a phantom intensity dimmer. However, I'd rather be able to adjust it as a part 2 of channel 60. 
 Is this possible? other ideas or options? 
 Thanks for your input Molly ZinZanni Seattle

Sammy · Answer

One option could be using the Apollo's MXR Scroller as your fixture. The fixture essentially has 2 scrollers in it and CMY mixes using various colours together. 
 Addressing your first Scroller to the first address and your second to +1 of your first. 
 The only problem with this option will be if you try and use ETCs Colour Picker it will try and mix using both scrollers. 
 But if you record each frame of each Scroller as a colour palette and use your scrollers that way I don't think there would be much problems. It should all Mark fine.