Fluctuations in sodium will be one of the biggest things to monitor. Meaning eat a clean diet and keep junk food out. I'll use myself as an example here. My diet is 5000 calories and I salt all my meals but very rarely eat out so my sodium intake is pretty consistent. I am on my third week of 1 gram deca + 1 gram test C with 100mg anadrol + insulin and everyone around me is telling me I look leaner even though most would think I would look like a water buffalo with these compounds. Week 3 is still early for deca and test but the anadrol and insulin of course has fully kicked in.

In terms of upping calories, 250 is the best bet when staying lean is the goal. Personally I always go 500-750 but I care more about putting on size while on cycle than I do about being lean but thats all personal preference and theres no right or wrong way.