Grotek Insta-Green Iron & Micronutrient Deficiency Corrector

Grotek Insta-Green Grotek Insta-Green is a fast-acting dark greening solution designed to quickly restore plant color and vigor during early growth and stress periods. Formulated to correct yellowing in seedlings and cuttings, it is ideal for plants affected by underfeeding or transplant shock. Best applied as a foliar spray, Insta-Green delivers readily available nitrogen for rapid visual recovery in both indoor and outdoor gardens. Available in 1 L and 4 L sizes. Features & Benefits Product Specifications What is included? Warranty Policy Rapid Greening & Stress Recovery Formula Insta-Green works quickly by supplying plant-available nitrogen directly through the leaf surface, helping plants regain healthy color, vigor, and growth momentum during periods of stress or nutrient deficiency. Quickly restores dark green color to plants Eliminates yellowing in seedlings and cuttings Ideal for transplant shock and underfeeding stress Best used as a foliar spray for fast uptake Suitable for indoor and outdoor gardens Concentrated nitrogen-based formulation Bring Plants Back to Life—Fast Grotek Insta-Green gives growers a rapid solution for restoring plant health when yellowing or stress appears. By delivering nitrogen directly to the foliage, it helps plants recover quickly, regain lush color, and resume strong growth without disrupting existing nutrient programs. Why Grotek? Grotek delivers premium, science-backed fertilizers and supplements trusted by professional growers worldwide. Their products are designed for maximum nutrient uptake, consistency, and reliable results, ensuring healthier plants, stronger roots, and more productive harvests every cycle. Why Buy From Us? At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always. Excellent 4.8 out of 5 based on 1,247 reviews If I could rate 6 stars I would! If I could rate 6 stars I would! My representative Edouard B. has been shockingly responsive! Like - oh my god - an actual SERVICE oriented company. He's dug into my odd connectivity issues I've been having - and following up in an AMAZINGLY timey manner. No shit. You'll be impressed! (And the price was also unbeatable, quick shipping...it's all PERFECT). Thank you Ed!! Jim D Customer service was outstanding great… Customer service was outstanding great people to deal with they understand your needs and they will do their best to fulfill them there is no way I can complain about them because they are the best help out there.Thanks green thumb depot. I'll definitely order from them again Glenn Appleton The machine is doing just what my… The machine is doing just what my salesman told it would do (I appreciate you Ed thank you) . The machine is what we need for our new business we're starting up, soon to be llc and licensed. We are getting a lot of clients wanting our services. Ed I will be needing more of your products, thank you again. Freddie Fantastic Great prices, fantastic customer service, and mind blowing shipping! Incredible. Will be using again and telling anyone in need. Kar ← → FAQ Section What is Grotek Insta-Green used for? It is used to quickly correct yellowing and restore dark green color and vigor in stressed plants, seedlings, and cuttings. How should Insta-Green be applied? It is best applied as a foliar spray for fast absorption and visible results. When should I use Insta-Green? Use it when plants show yellowing, after transplanting, or during periods of underfeeding or stress. Is Insta-Green a complete fertilizer? No, it is a corrective greening supplement and should be used alongside a complete nutrient program. Can it be used indoors and outdoors? Yes, Insta-Green is suitable for both indoor and outdoor growing environments. What nutrients does Insta-Green contain? It contains nitrogen (3-0-0), which supports chlorophyll production and greening. What sizes is Grotek Insta-Green available in? Grotek Insta-Green is available in 1 L and 4 L sizes. Specifications Grotek Insta-Green Product Name Grotek Insta-Green SKU GTIGQT Available Sizes 1 L, 4 L NPK 3-0-0 Application Method Foliar Spray Use Case Correcting yellowing, stress recovery, seedling and cutting support What is included? It includes: Grotek Insta-Green Liquid Nutrient Factory-Sealed Bottle (Selected Size) Manufacturer Usage Instructions Warranty Policy Please check out the manufcaturers website for Warranty related issues.