My favorite loadout for the Heavy Spaltling. Thermal ink with Ink Saver (Main) is very helpful. Since your enemies are likely to try and run away once they've been hit, a nice bonus is that you'll be able to know their location after the fact, making finishing them off much easier. And Ink Saver is always a good thing to have in my book. Special Charge Up is always good to have with Stingray, especially in Tower Control, where getting your enemies off and away from the tower is crucial. The ability to see your enemies with Thermal Ink and Stingray is very very helpful for spotting, be sure to let your teammates know if voice chatting. Run Speed Up is another great thing to have for a big weapon like the Heavy Splatling, making mobility much easier, since you will be spending the majority of the match kidding rather than squidding