Garden hose connections 3 min
Connecting garden hose: choose the size and fittingsCheck hose size, male or female threads and coupling profile before buying. A practical sequence for choosing matching fittings.
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Advice, guides and background on growing — written by our own experts.
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21 articles
HPS grow lighting 3 minChoosing an HPS ballast: match the bulb and power supplyCheck wattage, 230V or 400V, SE or DE and dimming settings. Choose an HPS ballast that is electrically compatible with your bulb.
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Ventilation ductingChoosing grow tent ducting: diameter, length and fittingChoose ducting around your connections and the route through your tent. This guide helps you select a type and avoid unnecessary bends, leaks and resistance.
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Opticlimate 3 minChoosing Opticlimate: cooling capacity, water and installationMatch PRO3 or RevoMax II to heat, moisture and installation needs. A practical checklist for water, condensate, airflow and power.
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Climate controllers 3 minChoosing a climate controller: start with your fanChoose by motor, control method, load and connections. Compare manual speed adjustment with temperature and frequency control.
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BioBizz advice 2 minBioBizz Bio·Grow or Fish·Mix: which should you choose?Compare Bio·Grow and Fish·Mix, choose one growth base and prepare for the flowering programme.
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HPS grow lighting 3 minReplacing HPS bulbs: bases, lamp types and maintenanceChoose a compatible HPS replacement bulb and assess operating hours, light loss and reflector condition. Includes E40 and double-ended checks.
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Water tanks 3 minCollapsible or rigid water tank: which suits your setup?Compare collapsible and rigid tanks by footprint, storage and maintenance access. Check the opening, pump and connections before choosing.
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Lumatek LED 3 minLumatek ATS PRO or ZEUS: choosing an LED for your setupCompare Attis/ATS PRO and ZEUS by dimensions, version and light requirements. Make your choice using more than the wattage in the name.
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Water tanks 3 minHow to clean and refill a nutrient reservoirClean the tank, pump and accessible fittings. Refill with a known water volume and check mixing, water level, pH and EC.
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BioBizz advice 2 minBioBizz Calmag: when does your water need a supplement?Check calcium and magnesium in your water and use Calmag for its intended purpose, rather than for lowering pH.
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Duct flanges & fittings 3 minDuct tee or Y-piece: choosing a ventilation branchCompare right-angle and angled branches. Choose a tee or Y-piece by the duct route, and understand why two outlets do not guarantee equal airflow.
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Drip irrigation 3 minDrip irrigation: calculate and check water volumeCalculate a starting run time and measure each outlet. Practical examples for CNL valves, four-way distributors and capillary tubing.
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Duct flanges & fittings 3 minConnecting flexible duct to a flange: clamps and sealingFit flexible ducting without distorting the connection. Choose the correct clamp range and treat fixing, sealing and support as separate tasks.
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Climate controllers 3 minSetting a climate controller: probe, minimum and maximumPlace the temperature probe carefully and check minimum speed, maximum and fan behaviour with the lights on and off.
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Lumen King LED 3 minLumen King LED hanging height and dimming: a practical guideMatch hanging distance and dimming together. Assess PPFD across the whole canopy, allow for plant growth and avoid an excessively bright centre.
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PVC pipes & fittings 3 minPVC solvent joints or thread sealing: which method fits?Identify solvent sockets and threaded joints, prepare the surfaces and check seals and curing before using the system.
Read more- Plant nutrition 1 minWhy measuring pH and EC matters
Two numbers decide whether your feeding schedule works. Here is what they mean.
Read more - Lighting 1 minLED or HPS: choosing your grow light
Choose for your room, not for the brochure.
Read more - Growing tips 1 minSet up your grow tent in five steps
The order you build a tent in saves a lot of trouble later.
Read more - Climate & air 1 minKeeping humidity under control in your grow room
Waarom vocht zonder temperatuur maar een half verhaal is.
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