Want bigger, healthier blooms? Optic Foliar Switch supports flower production while helping plants handle stress. Pair it with their full lineup of foliar sprays for even better results - plus, you can spray with the lights on for extra convenience! Optic Foliar Switch uses two methods of action that directly benefit your garden: Faster transition to flower and Ensuring female flowers stay female through the flowering process. .hb-qff .hb-qff-row { display: grid; grid-template-columns: 140px 1fr; gap: 14px; align-items: baseline; margin: 0 0 10px; } .hb-qff .hb-qff-row:last-child { margin-bottom: 0; } .hb-qff dt, .hb-qff dd { margin: 0; } @media (max-width: 480px) { .hb-qff .hb-qff-row { grid-template-columns: 1fr; gap: 3px; } } Quick Feed Facts THE HYDRO BROS Dilution / Dose 10ml Optic Foliar Transport per litre of Switch. Do not dilute with water — Switch is mixed only with Transport. When To Use Apply at the onset of flowering (day 0–7 gives the best results), with a second spray around 10 days later. Also effective across the last week of veg into the first two weeks of flower. Substrate Fit Foliar spray — compatible with any growing system, applied to the leaves rather than the root zone. Grower Notes Run your base nutrients at half strength the day before and the day after spraying, to give plants a chance to recover. Only mix as much Transport and Switch as you need — the solution loses efficiency once mixed. ✅ What SWITCH Can Do: Suppress further male flower (nanner) development if caught early enough. Trigger ethylene production, which helps stabilize flowering and reduce plant stress that causes hermaphroditism. Prevent more plants from flipping due to environmental stress. ❌ What SWITCH Can't Do: Remove existing male flowers or seeds — you’ll still need to manually pluck any nanners or sacs you see. Reverse full-blown hermaphroditism once it's established (if there are many male and female flowers across the plant, it’s likely too late to save it). 🗓️ When to Use in This Case: If you're mid-flower and just noticed early signs of herming (like a few nanners), apply SWITCH immediately, then do a second spray 7–10 days later. Time is critical here. 🧤 Pro Tip: After spraying, do a careful inspection daily for nanners and remove any you find. Consider removing the worst-affected plants if you’re running a tightly controlled grow and don’t want to risk pollination. ⏰ Timing Is Everything Best results occur when applied early in flowering (day 0–7). If male structures (nanners) are already visible, immediate application is crucial, followed by a second dose ~10 days later Late applications may simply dry up existing nanners, but won’t prevent seeds already set or fully reverse hermaphroditism Use in the last week of veg and first two weeks of flower, plants will begin to trigger blooms earlier with tighter nodes. This will ensure that plants will begin to form flower sites and maximize flower growth. Using SWITCH assures no loss in growth, quality or yield. Maximize yields by using OVERGROW during the early growth stage and through the flowering stage. SWITCH contains ingredients that stimulate the onset of flower quicker; you’ll reduce stretch, get an increase in flowering sites and reduce flowering time by a week. Combats hermaphrodites Aids in the transition to the bloom phase Safe: non-toxic & non-carcinogenic SWITCH assures no loss in growth, quality or yield! Safe to use in flower with no residues Some varieties of plants can be more genetically predisposed to producing pollen, which leads to seeded fruit come harvest time, reducing the yield of usable plant parts. Switch will stop any male flower parts from forming on your plants, so there won’t be any pollen to fertilise the remaining female parts. Optic Foliar Switch is made up of proprietary secret ingredients, but its main mode of action is through ethylene gas which is a key hormone in the ripening stages of most fruit and flowers. Switch releases ethylene for a few days after application, so the spray keeps working. Ethylene is also used in the commercial ripening of bananas and is the gas responsible for fruit ripening quicker when new fruit is mixed with older, more ripe fruit (like in a bowl of fruit). Indoors, we have the perfect environment to keep external pollen away from female plant parts, preventing seeds in our fruit by filtering the intake air - removing any particulates, including pollen. We can’t stop pollen caused within the garden, which is normally caused by plant stress such as a light leak but could also depend on the genetics of the plant. Using SWITCH at the onset of flower keeps female flowers female. If you notice male flowers on your plants, it’s not too late – apply switch as soon as possible and watch as the male flowers shrivel and fall off – reversing the hermaphrodite process. Any female flowers that have already been pollinated will be aborted, resulting in a seedless harvest. How to use: We recommend using 1l switch with 10ml Optic Foliar’s Transport to aid with an even, uniform application and to help the plant intake the active ingredients found in switch. Do not dilute with water, must only be mixed with Optic Foliar Transport. Only use half-strength nutrients the day prior and the day after treatment, giving plants a chance to recover. Only mix as much switch as you need as the ingredients will lose efficiency over time once mixed. Pour all unused spray away and mix a fresh batch on your next application. The manufacturers recommend an initial application of Switch soon after the onset of flower and once again 10 days later. Avoid spraying directly onto forming flowers and aim for leaves Switch is best used in temperatures between 15.5 - 24°C Only a light application is required – Switch is a strong product and will have the intended effect when plants are misted rather than drenched The day after application, some customers may notice wrinkling in the leaves or yellow or white bleaching or spotting on leaves which is completely normal – it’s just a build-up of ethylene that must exit the plant. This will not affect overall plant health.
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