How to Keep Pokemon Cards from Warping
The best trick to prevent your Pokemon cards from warping is to keep them in a cool, dry place. Humidity is the number one enemy of Pokemon cards. Also, consider using card sleeves and a sturdy binder or card box for extra protection. This not only keeps them straight but also shields them from dust and light, which can fade the cards over time.
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Silica gel packs, people! Toss a few of those desiccant packets you find in shoe boxes into your card storage boxes. They're great for absorbing excess moisture and keeping your precious cards warp-free.
Most people don't realize this, but direct sunlight is a big no-no for Pokemon cards. Keep them away from windows and places where the sun can reach them directly. Sunlight not only warps them, but it can also bleach the colors making your cards look dull and faded.
Honestly, just shove em' in a heavy book and stack some more on top. Oldest trick in the book. Been doing it for years with my cards and they're as flat as pancakes.
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