The Steelers may also have to make do without starting pivot Baden Kerr, who missed last Friday's disappointing 40-20 defeat to Tasman with a haematoma in his leg.
Utility back Ahsee Tuala filled in against the Makos last week and may be employed to run the cutter again tomorrow.
Counties boast an exciting team on paper but haven't been able to put all the pieces of the puzzle together in 2013 after winning promotion from the Championship last year.
"We can't afford to go up and down week in, week out," Jackson said. "We need to be consistent and build on the things that we are good at doing."
The romance of the Ranfurly Shield is alive and well after Otago's historic win over Waikato in round two, while Hawkes Bay pinched the Log from the Southern Men only nine days later on Sunday to snap their 44-year drought without the Shield.
"It's great for the game that New Zealand can have something like this," Jackson said.
It must be time for Counties to add their chapter to the storied history of New Zealand rugby's most coveted prize.