Picking the right wax is more complicated than simply looking at a wax chart. Snow and air temperature, free moisture, and snow crystal type all play a role.
Nordiq Canada has banned the use of medium and high fluoro waxes in all Tier 2 and some Tier 1 races
NENSA has banned the use of pure fluoro ski wax topcoats and is limiting use of paraffin-based fluoro glide waxes for the 2019-2020 season over concerns of health risks.
Toko High Performance Liquid Paraffins yield faster skis in most conditions and are quick and easy to apply.
TOKO is shipping a line of spray-on High Performance Liquid Paraffins that look to greatly reduce the time it takes to wax race skis, reducing the mess, and still give you fast skis.
In this cold snap, Toko recommends mixing HF Blue with their X-Cold powder hardener. Here's a short video show the optimal way to mix the waxes.
New skis or freshly stoneground skis have the potential to be your fastest skis ever. Following this advice will give new skis the best chance possible to reach their potential.
The "black" in HF Black is a shear lubricant and antistatic (conductor). You can say that is minimizes dry or mechanical friction and also enhances the "black" aspect of black bases.
The snow is soft. Should you use stiff skis or soft skis? It depends on temperature and moisture content!
There are four recommended methods for treating the "skins" for glide on "Skin Skis"...
In order to have fast skis in all conditions, the skis need to be the right flex and design for the conditions and they need to fit the skier such that the contact area matches the intent of the ski design.
Toko introduces an inexpensive workbench with good vise options: a XC Profile Set and a Ski Vise Nordic