Optic Foliar Overgrow RTU – Feed, Protect & Boost Growth with Lights On
Optic Foliar Overgrow RTU is a powerful, ready-to-use foliar spray that delivers nutrients, defends against pests and mildew, and improves photosynthesis — all without interrupting your lighting schedule. It combines four of Optic Foliar’s top products (Transport, Watts, Rev, and Atak) into a single, easy-to-use spray that helps your plants thrive throughout veg and early flower.
Why Choose Optic Foliar Overgrow RTU?
- Multi-Nutrient Foliar Feed – Delivers a full-spectrum blend of macro and micronutrients directly to the leaf surface.
- Pest & Mildew Resistance – Strengthens plant immunity and helps prevent common foliar diseases and infestations.
- Safe for Use with Lights On – Spray any time without risking light burn or stress — perfect for busy schedules and high-output setups.
- Boosts Photosynthesis – Enhances light absorption and CO₂ utilisation for faster, healthier growth.
- All-in-One Convenience – No mixing, no dilution, just give it a shake and spray!
- Includes Transport, Watts, Rev & Atak – The full Optic Foliar system in one bottle, expertly balanced for peak performance.
How to Use Optic Foliar Overgrow RTU
- Shake the bottle well before every use.
- Spray directly onto leaves, covering both tops and undersides.
- Use with lights on, no need to change your light schedule.
When to Use Optic Foliar Overgrow RTU
You can use Optic Foliar Overgrow on mother plants, cuttings and seedlings, and veg through into flower; simply spray every 2 days (when the lights come on) right up to week 4 of flower.
No matter what range of nutrients you're using, it's fully compatible with Overgrow.
We're massive fans of Optic Foliar Overgrow and have worked closely with Dinesh (the creator of Optic Foliar) to give you all the best advice possible when using this product.
Our staff have been using Overgrow ever since it made it onto our shelves and have given it the One Stop seal of approval, so if you need anymore tips and tracks or advice, give them a call on 01782 749955
We're the kings of stealth shipping! All of our orders are sent out in plain mailer bags or boxes with no mention of the company name for ultimate discretion.
Mainland UK Next Day Shipping will be with you the next day if ordered before 2pm. Our standard shipping is dispatched within 4 days.
We always aim for make sure our customers love our products, but if you do need to return an order, our 24/7 returns portal makes it incredibly easy. Just visit onestopgrowshop.co.uk/returns
Yes, we ship all over the world. Shipping costs will apply, and will be added at checkout. If you have any issues with shipping to your particular country, get in touch with customerservices@onestopgrowshop.co.uk and we'll create you a bespoke shipping quote.