A CTV and ThinkHQ poll shows the Wildrose party is still leading the provincial election campaign but support for the party is slipping.

According to the ThinkHQ survey, voter's impressions of the Wildrose are getting worse.

"Look at the momentum numbers just from last week there is a very sharp decline for the Wildrose they are now on negative territory," said Marc Henry of ThinkHQ.

The Tories have actually inched up in support but are also still striking a negative tone with voters.

Overall, the Wildrose remains out front across Alberta with 41 percent support which is an eight point lead over the PCs.

The NDP and Liberals are tied with 11 percent support.

In Calgary, the results are strikingly similar.

The Wildrose are eight points ahead of the PCs and the NDP is holding its provincial support but the Liberals are trailing off.

Pollsters say the rapid drop in Wildrose support can be attributed to controversial comments made by two of their candidates.

The tight race means the final days of the campaign will see candidates going full tilt to reach voters and get their messages out.

"I don't think any party is going to be coasting this weekend. It's got to be all hands on deck as getting people to the polls as best as they possibly can," said Henry.

Albertans will head to the polls April 23.