Advanced Nutrients RSA - 32oz

Description

 Meet the future of plant silica support with RSA™ (Rapid Silicic Acid) by Advanced Nutrients. Packed with stabilized Silicic Acid, RSA delivers stronger stems and thicker stalks, preventing bending or breakage under heavy, high-yield buds. Say goodbye to stretch and hello to rock-solid structure – because stronger plants mean bigger, better harvests. Put RSA to work for your grow and watch as your plants transform into champion producers.

RSA is specially designed for use with all hydroponic growing media.

Advanced Nutrients RSA - 32oz

Product form

 Meet the future of plant silica support with RSA™ (Rapid Silicic Acid) by Advanced Nutrients. Packed with stabilized Silicic Acid,... Read more

Out of stock, 1-3 weeks

$107.68  $96.91

    • Guaranteed secure & safe checkout.

      shop pay
    • Free pickup at our Webster & Milford stores
    • 30-day returns on unopened items

    Description

     Meet the future of plant silica support with RSA™ (Rapid Silicic Acid) by Advanced Nutrients. Packed with stabilized Silicic Acid, RSA delivers stronger stems and thicker stalks, preventing bending or breakage under heavy, high-yield buds. Say goodbye to stretch and hello to rock-solid structure – because stronger plants mean bigger, better harvests. Put RSA to work for your grow and watch as your plants transform into champion producers.

    RSA is specially designed for use with all hydroponic growing media.

    Returns & Delivery

    How fast will my order ship?

    We're a small family-owned shop, not Amazon. Most orders arrive within 7–14 days, and some items ship direct from the manufacturer. Need it today? Pick it up at Webster or Milford.

    Can I pick this up in store?

    Yes — order online and collect at Webster or Milford with no shipping charge. Both stores are open seven days a week.

    What if I need to return it?

    Most new, unopened items can come back within 30 days of delivery for a full refund. If the mistake was ours, we cover the return shipping.

    Do you handle bulk and commercial orders?

    We ship pallets of Pro-Mix, Bio365 and Athena nationwide. Call 508-461-5850 or ask us for facility pricing.

    Shop related collections

    Recently viewed products

      © 2026 Matt’s Hydroponics, Powered by Shopify