Finally got an answer to an email i re sent to pro mix (premier horticulture).
I asked why there is a 1.0 ec to the fresh bale if there is no fertilizer charge in american bales like it says on the bag ingredients and website. Well the nutrients are not included on the bale ingredients.
My name is removed it was the first word. ;
the American and Canadian made PRO-MIX products are the same, so the fertilizer charge is also the same. The EC in the product is coming mostly from the starter fertilizer added. The starter fertilizer is not mentioned on the packaging due to the state government regulations about reporting the presence of fertilizer in our products. Many states do not want fertilizer listed on the label unless it is a high percentage of the product. To compensate, we recommend beginning fertilization 7 days after transplanting as there is starter fertilizer to help the plants with initial establishment and growth.
We do recommend fertilizing one week after transplanting as the starter fertilizer MAY BE used up, especially if it is older product. If the fertilizer is used up, then plants can become chlorotic from nutrient deficiencies until the plants are fertilized. Again we do not recommend delaying fertilization but young plants do not need as much fertilizer as mature plants, so you could get by with delaying your first fertilization beyond 7 days. Thanks
So the white commercial bales are the same as canada and here despite the lies on the website and bag.