Clay Conditioner: Calcined Clay & Diamond Clay

Optimize your existing field with clay conditioners

With many custom blends available to suit your baseball field’s unique needs – more variety than any competitor – Mar-Co diamond clay conditioners give you the surface you’re looking for. Whether your field is too hard, too soft, too wet, or too dry – we have a conditioner that can give you better play.

Diamond Clay Conditioner

Get a soft texture, very high drainage, and good water retention for any size ballpark with Mar-Co diamond clay conditioner. Created from baked clay that’s been crushed and screened into a uniform size range (1/8” or less), this red-orange product is designed as a conditioner for heavy clays and is most suited to improving infields with drainage issues.

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  • low

    Maintenance

    SandSiltClay

    Nominal Size:
    < 1/8″

    Characteristics
    Soft texture
    Very high drainage
    Good water retention

    Field Usage
    Amendment for heavy clays
    Warning track

    Maintenance Practices
    Casual groundskeeping equipment & practices

Calcined Clay

As a distributor of Pro’s Choice products, Mar-Co offers calcined clay with the industry’s highest absorption rates and best durability. Pro’s Choice professional infield conditioners ensure minimal dust, maximum absorption, and excellent water retention. Their secret? Thermally optimized montmorillonite – a type of clay mineral – that drives out moisture and enhances porosity.

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Material Assessment Program (M.A.P)

Mar-Co’s free Materials Assessment Program (M.A.P.) determines the precise product, or Target Amendment, you need to add to your existing field mix to achieve the surface you want and need. It takes just a few simple steps.

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  • "The team at Mar-Co Clay Products has played an incredible role in the revitalization of Fergie Jenkins Field at Rotary Park in Chatham. Definitely a first-class company providing first-class work."

    "The team at Mar-Co Clay Products has played an incredible role in the revitalization of Fergie Jenkins Field at Rotary Park in Chatham. The hardworking, knowledgeable staff and crew have worked diligently to provide first rate playing surfaces at all of our local baseball facilities. Definitely a first-class company providing first-class work."

    Jason Chickowski

    President, Chatham Minor Baseball Association

  • "Mar-Co’s Garden Path surface material has been a game changer for my grounds crew. Not only does it make our field look amazing by framing it with red, but the drainage and support it provides after rainfall has saved us games, effort, and – most important – time."

    "Mar-Co’s Garden Path surface material has been a game changer for my grounds crew. Not only does it make our field look amazing by framing it with red, but the drainage and support it provides after rainfall has saved us games, effort, and – most important – time."

    Ryan Olszewski

    Mahoning Valley Scrappers (Class A team for Cleveland Indians), Eastwood Field, Niles OH

  • "Within two weeks of contacting Mar-Co to seek advice about a neglected ball field, they’d delivered clay and had a crew on the job. They did an amazing job and – to our absolute amazement – this little town has a beautiful and playable field once again."

    "Within two weeks of contacting Mar-Co to seek advice about a neglected ball field, they’d delivered clay and had a crew on the job. They did an amazing job and – to our absolute amazement – this little town has a beautiful and playable field once again."

    Brad Thake

    Sharbot Lake, Ontario

  • "Mar-Co improved drainage to the infield, reduced labour costs for the municipality, and decreased the number of injuries during play with the softer clay. Not only that, but now it looks like the kids are playing on a big-league field, which brings smiles to their faces."

    "Mar-Co improved drainage to the infield, reduced labour costs for the municipality, and decreased the number of injuries during play with the softer clay. It’s great to see the smiles on the kids’ faces as they walk onto the field. It looks like they’re playing on a big-league field, and maybe they will someday, thanks to Mar-Co Clay."

    Chris Kern

    City of Woodstock, Ontario, Canada

  • "The return on investment has been significant. The Mar-Co mix may have seemed expensive up front, but I’ve had more teams asking to rent the diamonds than ever before, and we’re hosting a lot more tournaments now."

    "The return on investment has been significant. The Mar-Co mix may have seemed expensive up front, but I’ve had more teams asking to rent the diamonds than ever before, and we’re hosting a lot more tournaments now."

    John Uildersma (Johnny U)

    Caledonia Minor Baseball, Caledonia, Ontario, Canada

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