Marksman Wooden Thermometer – Indoor Grow Thermometer
Marksman Wooden Thermometer – Indoor Grow Thermometer
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Order by 3pm Mon–Fri — we aim to post same day · FREE Express Delivery over £60 · 1–2 working days · Free Wembley pickup
- 14-day returns
- Price match promise
- Free Wembley store pickup
- Advice from the team: 020 3488 0419
Description
A simple, reliable read on your grow room temperature
The Marksman Wooden Thermometer gives an at-a-glance analogue reading in both Celsius and Fahrenheit, mounted on a solid wood back for indoor or outdoor use. No batteries and nothing to calibrate — just a clear dial you can check on the way past the tent.
Key Benefits
- Dual scale — Celsius and Fahrenheit read side by side.
- No batteries required — works instantly, nothing to charge or replace.
- Solid wood mount — hangs on a hook, nail or tent pole strap.
- Wide range from -40°C to 50°C (-40°F to 120°F).
- Indoor or outdoor use — as useful in a greenhouse or shed as a grow room.
Running a tent by feel alone makes it easy to miss a slow creep in daytime heat or a cold snap overnight, both of which stress plants and slow root development long before wilting makes the problem obvious. A thermometer mounted at canopy height gives a fast visual check every time you're in the room, backing up a digital controller or simply catching a fault before it costs a grow.
How to Use
- Mount: hang or fix at canopy height, away from direct light or airflow from a fan.
- Read: check the indicator against the Celsius or Fahrenheit scale.
- Position: keep clear of the lamp and the intake duct so it reads ambient air, not a hot or cold spot.
Technical Specifications
- Scale: -40°C to 50°C / -40°F to 120°F
- Display: dual Celsius/Fahrenheit analogue scale
- Mount: solid wood back, hanging hole
- Power: none required
- Brand: Marksman

FREE Express Delivery on orders over £60. We aim to post same day on Express Delivery — order by 3pm Mon–Fri — and delivery takes 1–2 working days. A few harder-to-stock or large, bulky items can take a little longer — we'll tell you if that applies to your order. Heavy-item surcharges are always shown at checkout before you pay — we only ever charge what delivery costs us. Prefer to collect? Free pickup at our Wembley store.
