Don’t forget that your growing containers will need to have enough drainage holes at the bottom – you don’t want to end up drowning your plants with excess water and nutrients. The weather: Generally, plants need more water in the hot summer months than in winter. But humidity, rainfall and the wind are all factors too. Plants will need more frequent watering in hot, dry spells, even if there are light rain showers, as that won’t be enough to soak the ground. The ideal growing medium for a drip hydroponic system would be one that is capable of holding both moisture and air. Good options include:

Foliage or Leaves - Opt for a fertiliser high in nitrogen; an example of this would be BabyBio, with the NPK ratio being 10.6 - 4.4 - 1.7. The plant’s size, type and growth stage: Large plants with plenty of leaves, fruit, or flowers will need more water than a small plant with fewer leaves and no fruit or flowers. And a mature shrub will need less water than a young shrub that’s still getting established.

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Ideally, you want the run-off EC levels to be the same or slightly higher than your input EC levels to ensure your plants have everything they need, and a little more. A more elaborate approach involves pot stands running to a dripper ‘brain’ that will pump the run-off (waste nutrient) to a separate tank/reservoir or straight down a drain if available. We’ve covered the most important information about garden watering systems above, but here are a few more things to consider before you buy: Setting the system up with a timer and schedule means the garden will stay watered in dry weather, and while the homeowner is away But it should be the time it takes for the pots to achieve the same moisture levels (weight) it was before the last feed.

A trigger sprayer: is operated using a trigger to produce the spray. They have a small capacity (usually 1L), so they are only suitable for small watering tasks.You will need to drill a hole in the reservoir’s lid at each end—one is for the airline from the air pump to the air stone and to the submersible pump, the other hole is for tubing from the nutrient solution from the pump to the drip emitters.