Easy DIY Mycology Lids: Save Money, Grow Mushrooms, and Maybe Even Make a Buck

Easy DIY Mycology Lids (With or Without Tools)

When I first started growing mushrooms, I thought I needed fancy lids and lab gear. Turns out, making your own mycology lids is way easier than it sounds. For years, I did it with nothing but a sharp knife and some patience. You don’t need power tools or expensive pre-made lids — unless you want them. Once you learn this skill, not only will you save money, but you can even flip a few lids on eBay for extra cash.

🔧 What You’ll Need

• Jars with lids (metal or plastic work)

• A way to make holes: drill, knife, scissors, or even heated metal poker

• Self-healing injection ports

• Filter patches/stickers

🔪 How to Make Lids (Step by Step)

1. Make the Holes

   • Metal lids → poke with a knife and twist to widen.

   • Plastic lids → heat up a knife, scissors, or a nail/poker and melt through.

   • Drill is faster, but not required.

1. Add the Filter Patch

   • Stick it over one hole. This lets air out but keeps contaminants away.

2. Add the Injection Port

   • Stick it over the second hole (or right in the middle if you only cut one). This is where syringes go.

1. Done.

   • That’s it. No waiting for silicone to cure, no mess. Your lids are ready the same day.

💡 Personal Tip

Don’t let not having a drill stop you. I started with nothing but knives and a little determination. Once you realize how simple it is, you’ll never want to pay extra for premade lids again. And if you get good at it? People buy these. You could easily list them on eBay or Etsy for some side money.

🛒 Recommended Supplies

• Self-healing injection ports →

• Filter patches →

• Wide-mouth jar lids→

• Cheap drill + bit kit (optional) →

✅ Final Takeaway

DIY mycology lids are one of those small wins that make mushroom growing easier. You’ll save money, learn a useful skill, and never be stuck waiting on premade lids to ship. Once you make your first set, you’ll realize: it’s simple, fast, and empowering.

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