Summary: Nutraponics Pro Shelf adds "Save 3%"

Why It Matters: This change highlights a discount for a specific product.

What Changed:

• The "Nutraponics Pro Shelf – Automated Hydroponic Growing System" now shows "Save 3%" next to its price.
• The "Nutraponics Pro Tower Garden – Hydroponic System with LED Grow Lights (80 Pots)" now shows "Save 4%" next to its price.
• A link to "/how-it-works" was added at the very end of the page content.