Question 1

Are the products safe on holo and foil cards?

Accepted Answer

Yes. All Spark & Polish® products are tested on holos, foils, ghost rares, secret rares and vintage WOTC cards without damaging special finishes.

Question 2

Can I use the method to prepare cards for PSA grading?

Accepted Answer

Yes. The Spark & Polish® Method improves aesthetics by removing contaminants that affect the grade. We do not guarantee specific grades.

Question 3

How many cards can I treat with one bottle?

Accepted Answer

About 100+ cards per bottle of Magic Clean Spray or Polish 2in1, depending on the thickness of the layer applied.

Question 4

Does the humidity chamber completely flatten cards?

Accepted Answer

HUMIDITY STORM™ significantly reduces or eliminates warping in most cases. Results depend on the extent of damage and card type.