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Mist Spray Bottles: Water and Disinfectant
A mist spray bottle for mushroom growing is a small bottle with a fine-mist nozzle, used either to add a light film of moisture or to disinfect hands, tools and surfaces. We sell both as separate 200 ml bottles: the Water Mist Bottle and the ready-to-use Disinfectant Mist Bottle. Keep them apart and clearly recognisable, because mixing them up is the one mistake to avoid.
Two bottles, two different jobs
| Water Mist Bottle | Disinfectant Mist Bottle | |
|---|---|---|
| Volume | 200 ml | 200 ml |
| Contents | You fill it with drinking water | Ready-to-use disinfectant |
| Use it on | Inside walls of a grow box or a bag that looks dry | Hands, gloves, work surface, tools, the kit lid between flushes |
| Never use it on | Pins and mushrooms | Substrate, pins and mushrooms |
When to mist with water, and when to stop
A Mondo grow kit makes its own humidity. After the soak, 150 ml of drinking water goes into the bottom of the filter bag, the top is folded twice and closed with the seal sticker, and that is enough moisture for most kits. Before pins appear, the bag stays closed. Once pins appear, you stop misting and give the kit fresh air one to three times a day instead.
So where does the water bottle fit in? Mainly in a grow box or in a very dry room. If the walls of the box or bag look dry before pinning, a light mist on the walls restores humidity without soaking the substrate. That is what the fine nozzle is for: small droplets instead of a jet that leaves puddles. Fill it with fresh drinking water, empty it after use and let it dry so nothing grows in the bottle. For the full picture of humidity and fresh air, see light, airflow and humidity for fruiting.
Disinfecting the right things
Most contamination does not come from the kit but from hands, surfaces and tools. Spray your hands or gloves and the work surface before the soak, before opening the bag for air exchange and before harvesting. Disinfect the knife or scissors if you cut mushrooms, and wipe the lid of the kit when you prepare the next flush. Do not spray disinfectant onto the substrate or the mushrooms. For extra protection during handling, combine it with our single-use latex gloves. If something does look wrong, our guide on identifying contamination helps you tell mould from healthy mycelium.
Frequently asked questions
Should I mist my mushroom grow kit every day?
No. The 150 ml of water in the bottom of the bag provides the humidity, and the bag stays closed until pins appear. After pinning you stop misting completely and give fresh air one to three times a day. A water mist bottle is only for walls that look dry, mostly in a grow box.
What is the disinfectant mist bottle used for?
It is a ready-to-use spray for cleaning hands, gloves, work surfaces, tools and the kit lid between flushes. Good hygiene at these moments lowers the chance of contamination. It is never sprayed on the substrate or the mushrooms.
Can I use one spray bottle for both water and disinfectant?
We advise against it. Traces of disinfectant in a water bottle end up on the inside of the bag or box. Using two separate bottles that you can tell apart at a glance removes that risk.
How much do the mist bottles hold?
Both the Water Mist Bottle and the Disinfectant Mist Bottle hold 200 ml. That is plenty for one or two kits, because misting is occasional and disinfecting needs only a few sprays each time.
Can I spray water directly on the pins?
No. Once pins appear, misting stops. Water on young pins can damage them, and the kit needs fresh air at this stage rather than extra moisture.
