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Just a few reminders ...

  • We do offer shipping into Minnesota via UPS; orders are typically delivered within 1-3 business days of placing your order.

    • Orders less than $100 have an $8.99 shipping fee.

    • Orders equal to or greater than $100 receive free shipping!

    • Orders placed by 3pm CST will ship out same day, orders placed later will be sent out the next business day.

  • You may always pick your order up in person at MainstreamCBD's Hudson WI storefront for no added charge. Just select "in-store pickup" at checkout!

2g THCa Isolate - Bowl Topper - 96.44%THCa

2g THCa Isolate - Bowl Topper - 96.44%THCa


Looking to take your bowl or joint to the next level? Say hello to our Granddaddy Purple THCa Isolate! This 2-gram jar is packed with pure THCa, making it the perfect addition to your smoking setup. Just a sprinkle of this fine, white crystalline powder will elevate your experience.


Granddaddy Purple is a classic indica strain known for its relaxing and calming effects. With this THCa isolate, you'll get all the goodness of GDP without the extra plant material—just pure, potent, isolated goodness.


It's super versatile, too. Dust it over your flower for a boosted bowl, or mix it into your joint for a smoother, more potent smoke. However you use it, our Granddaddy Purple THCa Isolate is the easy way to step up your game.


Strain: Granddaddy Purple

Effect: Indica

Amount: 2g


All products contain <0.3% Delta-9THC by weight.

The statements made regarding these products have not been evaluated by the Food and Drug Administration. The efficacy of these products has not been confirmed by FDA-approved research. These products are not intended to diagnose, treat, cure or prevent any disease. These products should not be used if you are pregnant or nursing. No statements on this website are offering medical advice. Please consult a healthcare professional before use of any product on this website.

  • What Is THCa?

    Tetrahydrocannabinolic acid (THCA) is a naturally occurring, non-intoxicating cannabinoid that is found in raw and live cannabis plants. It is the precursor to THC (tetrahydrocannabinol), the compound responsible for the psychoactive effects commonly associated with cannabis consumption. THCA only becomes THC through a process called decarboxylation, which involves the application of heat, such as burning flower to smoke, or decarbing flower using an oven before making edibles!

  • Shipping Restrictions

     Due to legal restrictions and restrictions placed by our payment processor, we can not ship orders to the following states:

    Hawaii, Idaho, Iowa, Mississippi, New Hampshire, South Dakota

    We apologize for any inconvenience this may cause, and we appreciate your understanding.

  • What Will My Order Look Like?

    We ship all orders in regular brown corrugated boxes and a traditional shipping label addressed from "St. Croix Naturals" - very discreet!

  • Stay Updated!

    Feel free to create an account and become a website member. On our Spaces App, we will regularly post updates about current stock, upcoming releases, and any upcoming/current sales! We also send out monthly newsletters via email to our website members.

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