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Hydroponics

Environment Control

Lighting

Nutrients

Additives

Sundries

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Water heaters

Maintain water temperature between 18-21c for optimal root growth using a combined heater and thermostat. Please be careful with the glass heaters - always turn them off in-between water changes. We also suggest the use of a small circulation pump.

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 Theo Heaters Theo Heaters

These water heaters are just about bombproof! Unlike normal heaters which shatter when not fully submerged, 'Theo' heaters are unaffected by thermal shock. No more electric shocks! They feature a graduated scale for precise maintenance of temperature. You can even position them vertically or horizontally.
BUYTheo 50w (>50ltr) £25.00
BUYTheo 100w (>100ltr) £28.00
BUYTheo 200w (>200ltr) £30.00
BUYTheo 300w (>300ltr) £35.00