Accessories

Pre-cut monotub liners sized for the 44Q tub and most 30–44 quart bins. Each liner is cut to 18" x 15.5", factory folded and UV-C sterilized, so you unfold it, press it into the corners, fold it over the rim and spawn. No trash bags, no scissors, no tape. These are the same liners that ship with our Grower's Select monotubs. 44QMonotub 18" x 15.5"Liner size 3Liners per pack UV-CSterilized Pre-cutNo trimming What a liner does for the grow Fewer side pins The liner blocks light along the tub...

A first-aid tool for a bulk grow that shows a patch of mold. This superabsorbent sodium polyacrylate powder soaks up more than 100 times its weight in water. Spread over a contaminated spot, it pulls moisture away from the mold and forms a dry barrier that helps keep it from spreading into the rest of the tub. It is non-toxic, and a 4 oz jar covers several treatments. 4 ozPowder 100x+Its weight in water Non-toxicSodium polyacrylate ResealableJar Why keep a jar on hand SuperabsorbentAbsorbs...

A round, push-in hygrometer and thermometer made for monotubs. It fits snugly into a 2 in side hole and shows humidity and temperature at a glance, updating every 5 seconds with plus or minus 2% RH accuracy. It fits most standard monotubs, including our Grower's Select tubs. 2.0 inPush-in fit +/-2%RH accuracy 5 secRefresh 10-99%Humidity range Why put one in your tub Made for tubsPush-in round body fits a standard side hole. Fast readingsUpdates every 5 seconds. Ready to goLR44 battery...

A panel-mount hygrometer and thermometer for greenhouses, grow tents and tubs. Trace the backing, cut a hole, and twist the housing until it locks, and you have a clear readout of humidity and temperature built into the wall. It reads within plus or minus 2% RH and updates every 5 seconds. Twist-lockPanel mount +/-2%RH accuracy 5 secRefresh 1.77 inSize Why use a panel-mount gauge Mounts almost anywhereFits through greenhouse panels, tent walls or tub sides. Easy installTrace, cut and twist to...

Pre-cut monotub liners sized for the 28Q cube. Each liner is cut to 12" x 12", factory folded and UV-C sterilized, so you unfold it, press it into the corners, fold it over the rim and spawn. No trash bags, no scissors, no tape. These are the same liners that ship with our Grower's Select monotubs. 28QMonotub 12" x 12"Liner size 4Liners per pack UV-CSterilized Pre-cutNo trimming What a liner does for the grow Fewer side pins The liner blocks light along the tub walls, so pins form on top of...

Make your own capsules at home from mushroom powder, herbs or other dry supplements. This size 00 capsule machine fills a full tray of 24 capsules at a time, then joins and ejects them for you. The bonus kit includes 100 empty size 00 capsules, a tamping tool and desiccant packs for storing what you make. 00Capsule size 24Capsules per batch 100Empty capsules included ~500 mgPowder per capsule Why use a capsule machine Fast batchesFill 24 capsules at once instead of one at a time. Joins and...

The W2023 digital humidity controller holds steady humidity in fruiting chambers, grow tents and greenhouses. Plug your humidifier into it, place the moisture-resistant probe, set your target range, and it cycles the humidifier on and off for you. It covers 5-99% RH, reads to 0.1% RH, and is built to keep working in high humidity where cheaper sensors fail. 5-99%RH range 0.1%RH resolution ProbeMoisture-resistant LEDDisplay ETLListed Why growers use it Set it and forget itYour humidifier runs...

The Grower's Select Mini Digital Hygrometer has a 36" wired probe, so the sensor sits inside your fruiting chamber or grow tent while the display stays outside. You can check humidity at a glance without opening your grow space and letting the moisture out. 36"Wired probe HumidityReading 1.4" x 0.66"Display 0.6 ozWeight 2 x LR44Batteries included Why use a probe hygrometer Read without opening Every time you open a chamber to check a gauge, humidity drops. The probe keeps the sensor in and the...

A fully submersible aquarium heater that is safe in plastic tubs. Its enclosed heating element and glass-free ABS housing will not melt plastic, which makes it a good fit for water baths and DIY incubation chambers. Set the exact temperature with one button and the LED display, anywhere from 62 to 90 F. It shuts itself off when the water is low or it overheats. 62-90 FRange 1-20 galContainers Glass-freeABS housing LEDOne-button control Auto-offLow water and overheat Why growers use it...

A mini digital thermometer with a 36" wired probe for checking temperatures inside bulk grows, fruiting chambers and high-humidity tents. Mount the small display outside the container and run the probe where you want to measure, so the display stays dry. It reads from -58 to 158 F, accurate to about 1 F, and runs on two included LR44 batteries. 36"Wired probe -58 to 158 FRange 1 FAccuracy 0.6 ozWeight 2x LR44Included Why growers use it Reads inside, displays outsideThe display stays dry while...

A compact 2.5W aquarium air pump for mushroom growers. It drives hydroponic humidifiers, fresh air exchange tubing and other small air systems, runs quietly and is sized for small to medium setups. It is the pump included in our humidifier system, sold here on its own as a replacement or for a new build. 2.5WPower QuietOperation Small-mediumSetup size Why use it Steady airflowEnough air for a humidifier or fresh air exchange line without being oversized. QuietRuns discreetly in a grow room or...

A 2 oz bottle of denatured alcohol to fill or refill your alcohol lamp. It burns clean, with no black soot on syringe needles or tools, and gives about 5 to 6 hours of burn time in most standard lamps. It comes in a thick glass bottle with a tamper-evident seal. 2 ozBottle 5-6 hrBurn time GlassThick bottle SealedTamper-evident Soot-freeBurn Why use denatured alcohol Clean burnNo soot or sticky residue on needles and tools. Right sizeA small refill that tops up a mini lamp several times. Secure...

The Grower's Select HTC-1 is a digital thermometer and humidity meter that shows both readings at once on a large LCD. Min/Max memory tracks the highs and lows in your incubation or fruiting space while you're away, and it switches between °F and °C. It's the simple, go-to gauge growers have used for years. DualTemp + humidity LargeLCD display Min/MaxMemory °F / °CSwitchable 1.5V AAABattery included Why growers use the HTC-1 Both readings at once Temperature and humidity side by side on a...

Replacement hoses for pump-driven humidifiers. The pack includes an 18 in blue silicone intake hose with a built-in inline HEPA filter, plus a 10mm output hose, so you can refresh a worn setup without replacing the whole humidifier. 18 inIntake hose HEPABuilt-in filter 10mmOutput hose Why replace your hoses Clean airflowA fresh inline HEPA filter keeps the air going into your humidifier clean. Cheap refreshSwap worn hoses and filters without buying a new humidifier. Fits our humidifiersMade...

Everything you need for filtered, automatic humidity in one box, pump included. A quiet 2.5W air pump pushes air through an inline HEPA filter into a water-filled humidifier, where it picks up fine droplets from Hydroton and synthetic fiber media and leaves as a steady stream of humid air. It suits bulk casing setups and tubs where perlite is not practical, and it needs no drilled holes. 2.5WPump included HEPAInline filter HydrotonPlus synthetic fiber 10mmOutput hose No drillingRequired Why...

A replacement or add-on hydroponic humidifier for fruiting chambers and tents. Air from an aquarium pump (sold separately) passes through an inline HEPA filter, bubbles through water and Hydroton media, and leaves as clean, humid air through a 10mm output hose. It works with most pump-driven humidifier setups. HEPAInline intake filter HydrotonHumidifier media 10mmOutput hose PumpSold separately Why use it Filtered airA blue silicone intake hose with an inline HEPA filter keeps the air going in...

A heavy-duty 8mm drip liner that sits under your grow tent and catches condensation, humidifier drips and substrate runoff before they reach your floor. It is pre-cut to 29" x 19.5" with 3" self-supporting walls, so there is nothing to fold, tape or prop up. It is the replacement liner for Ecosphere greenhouse systems and also fits our 4 and 5 tier Martha tents, which use the same frame. 8mmFood-safe LDPE 29" x 19.5"Footprint 3"Self-supporting walls 4 & 5 tierFits ReusableWipe clean Why...

A 21" x 11" under-tank heating mat with a liquid graphite core that spreads heat evenly across the whole surface. Wire-based heating pads can create hot spots that dry out substrate or warp plastic bins; this mat avoids that. It gives gentle bottom heat for monotubs, incubation bins, grain jars and spawn bags, uses just 28 watts, and has an adjustable dial from about 67 to 86 F. 21" x 11"Size 28WPower use GraphiteInfrared heat 67-86 FDial range 110-120VOnly Why growers use it No hot spotsThe...

A small, inexpensive gauge that shows temperature and humidity on one LCD screen. It updates every 5 seconds, reads humidity within plus or minus 2%, and is small enough to tuck inside a tub, tent or incubation chamber. +/-2%RH accuracy 5 secRefresh 10-99%Humidity range 0.6 ozWeight Why growers use it Dual displayTemperature and humidity on one screen. Wide ranges-58°F to 158°F and 10-99% RH. Fits anywhere1.89 x 1.13 x 0.6 in and very light. How to use it 1Place itSet it inside your...

Mushrooms fruit best when lights, fans and humidifiers run on a schedule they can count on. This heavy-duty 110V plug-in timer handles it for you: set up to 48 on/off changes a day in 30-minute steps, and it repeats the same pattern every 24 hours until you change it. 48Cycles per day 30 minSteps 110VPlug-in 24 hrRepeating Why use a timer Consistent lightA steady daily light cycle is easy to keep when it is automated. Set it onceProgram the schedule one time and it repeats every day. Runs more...

Silica gel drying canisters keep dried mushrooms from picking up moisture in storage. Drop a few into a bag, jar or container and the 2g of silica gel in each vented canister soaks up humidity to help prevent mold. They can also finish an almost-dry batch: seal a handful in the bag and it's typically cracker-dry within about 24 hours. 25Canisters 2gSilica gel each 4–5Per ½ oz dried 1–6 moStorage window VentedFood-safe housing Why use silica gel canisters Absorbs moisture Pulls humidity out of...

Run two or more greenhouses or fruiting chambers from one Monsoon humidifier. This expansion pack splits the Monsoon output with a Y splitter and stretch tubing, so you can grow your setup without buying a second unit. YSplitter 18-66"Stretch tubing 12"Clear connector 2Suction mounts 1 unitFeeds 2+ chambers Why growers add it Use one humidifierFeed a second tent or chamber from the Monsoon you already own. Flexible reachThe black tubing stretches from 18" to 66". Easy to mountSuction cups hold...