Spider Farmer Self-Watering System - 4-Pot Kit (50L Reservoir)

The Spider Farmer 4 Self-watering System keeps up to four fabric pots evenly watered without a pump, timer or power point. A 50L folding reservoir feeds each self-watering pot base by gravity, so the growing medium stays moist between top-ups. It works best once your plants have well-developed roots — seedlings have shallow roots that may not reach the moist soil, so wait until they are longer and stronger before moving them across.

Why growers choose the Spider Farmer self-watering system

• No power needed: the system runs on gravity alone — no pump, timer or water pressure — so you can set it up anywhere in the tent.
• Fewer top-ups: a single 50L fill lasts around two weeks across a four-pot setup, or roughly a month across two pots.
• Even moisture: the reservoir feeds each pot base steadily, keeping the medium consistently moist between fills.
• Healthier roots: the reservoir plate lifts the fabric pot above standing water, preventing stagnation and reducing algae.
• Built to last: engineered for durability across multiple growing seasons.

Specifications

• Gravity-fed — no electricity or water pressure required
• 50L folding reservoir bucket
• Silicone feed tube: 4m
• Each pot base supports up to 59kg (130lb)
• Suits fabric pots up to 26L (7 gallon)
• Reservoir run time: around 2 weeks for a four-pot setup, or a month for a two-pot setup, per 50L fill
• Recommended tent size: 120x120cm or 150x150cm for a four-pot setup

What's in the box

• 4x self-watering fabric pot base
• 1x 50L folding bucket
• 5x 5-gallon (19L) fabric grow bag
• 1x silicone tube (4m)
• 1x shut-off valve box
• 1x user manual