3 Reliable Cone 6 Celadon-Style Glazes to Test This Month

Everyone loves cone 10 reduction. I get it. The depth is insane. But not everyone has a gas kiln or wants to burn through that much propane. Here's the thing: modern cone 6 celadon formulas have gotten stupidly good. We're talking real depth, real crackle, that glassy pool of color that actually looks like celadon and not sad green dish soap. If you're running reliable glaze tests in an electric kiln, this is where the magic happens right now. No dragon's breath required.

Glaze #1: The Blue-Green Workhorse That Just Works

This is the studio pottery glaze I keep coming back to. It's an iron-based celadon with a whisper of cobalt. Throw it on a white stoneware body and you get this quiet, oceanic blue-green that breaks beautifully over edges. I fire it to cone 6 with a standard slow-cool program, nothing fancy. Actually, it looks better when you don't fuss with it. Apply it medium-thick. Too thin and it's gray. Too thick and it runs like a toddler with a juice box. Test it on vertical tiles first. Trust me on this one.

Glaze #2: A Muted Gray-Green for Quiet Pots

Not every pot wants to scream. This cone 6 celadon leans gray. It's got iron, a touch of rutile, and zero cobalt. What you get is this misty, almost mossy finish that feels like a foggy morning in Kyoto. It plays well with textured clay bodies. Speckled buff stoneware? Perfect marriage. But here's the catch: it needs a slightly slower cool to develop that silky surface. Rush the kiln and it goes satin. Which isn't bad. Just different. I keep a bucket of this mixed at all times. It's that reliable.

Glaze #3: A Foolproof Jade Celadon for Beginners

Everyone needs a celadon glaze that doesn't punish slight thickness variations. This one is based on a high-silica recipe with low iron and a dab of copper chrome. Sounds weird. Works beautifully. It fires to this dense jade color that doesn't turn brown where thick or disappear where thin. For reliable glaze tests, this is your safety net. It looks expensive. It acts chill. I've put it over groggy sculpture clay, smooth porcelain, whatever. It handles it. If you're new to mixing your own studio pottery glaze, start here. Mix small batches, label your buckets, and don't be that person who thinks they'll remember what's inside. You won't.

How to Actually Test These Without Losing Your Mind

Running reliable glaze tests isn't rocket science. It's just boring sometimes. Make yourself a grid. Test each celadon glaze on three different clay bodies at three different thicknesses. That's nine tiles per glaze. Yes, it's a lot. But you only have to do it once. Keep a notebook that isn't your phone. Phones fall in glaze buckets. Note the specific gravity, the application method, whether you dipped or sprayed. Actually, spray one tile and dip another. You'll be shocked how different the same bucket can look. Cone 6 celadon rewards patience and decent record-keeping. It does not reward guessing.