I think the 'bag' is the label from the Loba 2K Invisible Protect AT. The 'AT' is the 'Advanced Technology' written to the very right hand side of the title.
As suggested above, the HARDENER is a metal tin that is 1/10th the size of the big jug. Please think hard about whether or not you saw the metal tin at the house during the refinish.
The 'Bona' Directions are for a VERY different Bona product line. Your refinisher failed to tell you about the length of time you needed to be off the floor.
Here's how the time line SHOULD have gone:
1. Sanding the floors to expose raw wood with at least 3 grit levels. With 1008sf (94sm) this should have taken 1-2 days depending on how many people on the job site.
2. Vacuuming of the surface + water-damp tack cloth of the entire floor then go for lunch
3. First coat of primer/finish applied once the wood had dried (tack cloth application)
4. 4 Hours AFTER the first coat of product the SECOND coat of product is to be applied (this is the EARLIEST it is allowed to be applied)
5. Only 2 COATS of product can be applied within a 24 hour window.
6. NEXT DAY: A light sanding/screening of the wood is done before the LAST coat of finish!!!!
7. Vacuum and lightly water-damp tack cloth the dust - go for lunch
8. Apply 3rd/final coat of product to the floor (should be 'afternoon' of day 3 or 4!!!)
9. Come back next day and remove plastic drapes (if any...for the dust containment during sanding)
10. Allow 5 DAYS for 95% cure - no work boots, no furniture, NOTHING going on in the house for 5 FULL DAYS
11. Day 6 AFTER the final coat: family can move back in - furniture can be GENTLY placed on the floor - no shoes in the house or hard toys played with on the floor
12. Day 7 after the final coat - 99% cure has been achieved and full life can be lived
13. Day 14 after final coat - soft rugs can be placed in kitchen area and at door ways. This means dog beds or cat beds can be added to the floor.
13.a. FIRST DAMP CLEANING ALLOWED = 14+ days after FINAL COAT. Water only.
14. Area rugs "allowed" on the floor after 1 month....but this is NOT encouraged....fading/darkening of the floor should be allowed for 6 months after the sand/finish.
Sigh...I'm sorry to say but the 2 days is not enough for Loba AT products. The ideal is 7 days without ANYONE in the house...but 5 days is allowed so long as you live 'lightly' on your floor. I'm going to hazard a guess that '3 children' are going to be rather hard on floors.
And if you are living on the floors after 2 days...that means you will be using the sink after 2 days. That means it is very very very possible water hit the floor BEFORE the 5 - 7 day CURE occurred. This is what I was afraid of.
It is possible for water to hit the UNCURED top layer and sink into the floor. That water can seep past the FIRST layer of finish but STOP at the second layer (before hitting the floor). This causes a white blemish which is UNMOVEABLE....because it is BELOW the layer of finish (sandwiched between the two actually).
These spots would have formed for the first 1 - 5 days (day 2 -7 of curing) while living on the floor. These spots can indicate a BOND issue in those spots. Any wet/damp cleaning done during that time would have also been an issue.
The WHEEL marks of the vacuum would have done the same thing over the same time period.
A recoat with Loba 2K Supra AT is easily achieved. All that is needed is a light sanding/screening of the EXISTING finish (takes off 1/2 a layer while giving it teeth to stick to the next layer) and then a FULL COAT of the new product. The 'AT' lines are VERY sticky. They stick to one another very easily. They just need a little help re: sanding.
The only thing I would be concerned about with a recoat = plenty of attention given to the 35 white spots. So long as those are taken off completely I think you will be very happy with the 2K Supra AT (not the invisible).
Q