GPF is a premium lower molecular weight humic acid that plays a vital role as a chelator of essential minerals and all natural compounds allowing them to pass through cell membranes much more efficiently. GPF plays the same role as GPH but can be used in hydroponic or re-circulating systems.
• Currently not for sale in California.
• Click on the video icon to view GPF Uptake product overview video
• For Hydroponic applications. *When using soil applications we recommend GPH Uptake instead of GPF Uptake*
Shipping & Shipping Insurance
- Free shipping Canada-wide on orders over $149.99.
- Tracking: Your order confirmation page will have a button for tracking your package & getting shipping updates.
- Shipping Insurance: Shipping insurance is available on all orders. Select the Guide Package Protection option at checkout.
Payment & Security
Your payment information is processed securely via our encrypted online checkout, which is compliant with all six PCI standard categories to ensure your data is safe. We do not store credit card details.