Spider Farmer Self-Watering System 2-Pack - 13 Gal Reservoir Auto

In this review of the Spider Farmer 2-pack self-watering system the bottom line is simple: this kit is for growers who want reliable, low-effort hydration for fabric pots in small grow tents or indoor setups. The system's single biggest advantage is its gravity-fed 13 gallon reservoir paired with absorbent wick lines, which delivers steady moisture without power, daily checks, or complicated plumbing. Setup is straightforward and the kit includes the pot bases, reservoir, grow bags and tubing so a home grower can go from unboxing to functioning irrigation in a short session.

Key Features

• Gravity-fed reservoir: A single 13 gallon tank supplies water to both pot bases so plants receive continuous moisture without electricity.
• Wick-based delivery: Highly absorbent wick lines ensure each plant takes only the water it needs, helping prevent over-watering and dry spells.
• Adjustable wick positions: Each fabric pot base offers three wick locations so it adapts to 1-2, 3, and 5-7 gallon grow bags and different root zones.
• Complete kit: The package includes two pot bases, the reservoir, five 5-gallon grow bags, wick lines, shut-off valve box and tubing for an out-of-the-box install.
• Tent-ready size: Each base is about 15.6 in diameter, designed to fit common 3x3 and 2x4 ft grow tents and keep floors tidy.

Who It's For

This Spider Farmer system is best for hobby and small-scale growers who use fabric pots and want a hands-off watering solution during vacations or busy weeks. It suits growers using 1-7 gallon fabric grow bags inside 3x3 or 2x4 ft tents who prefer a simple gravity system over pump-driven irrigation.

It is less suitable for gardeners using rigid plastic pots, since the wick method requires porous fabric pots. Also, users who need precision emitters at each plant or who manage very large collections will want a larger multi-zone irrigation system instead.

Pros & Cons

Pros

• Easy setup with all components included, making initial installation fast for first-time users.
• Long-lasting reservoir lets the 2-pack run unattended for up to a month with a full tank in typical use.
• Wick lines provide balanced moisture uptake, which helps maintain healthy root zones and reduces over-watering.
• Tent-friendly sizing keeps tents clean and reduces floor spillage compared with manual watering.

Cons

• Reservoir leaves some water unused at the end, and several customers note remaining capacity that cannot be siphoned without intervention.
• Works only with fabric pots, so those using plastic or rigid containers must change pots to use the system.

Specifications

Product type	Gravity-fed self-watering kit
Reservoir capacity	13 gallon
Included pot bases	2 fabric pot bases (15.6 in diameter)
Included grow bags	Five 5-gallon fabric grow bags
Wick positions	3 sets (for 1-2, 3, 5-7 gallon pots)
Power required	No electricity needed
Recommended grow tent fit	3x3 ft and 2x4 ft tents

Our Verdict

The Spider Farmer 2-pack self-watering system is an excellent value for tent growers who use fabric pots and want a dependable, low-maintenance irrigation setup. Its gravity-fed 13 gallon reservoir and wick delivery keep plants consistently moist for long periods, making it ideal for vacations and busy schedules. Those using plastic pots or needing multi-zone precision should consider other options, but for its intended audience this kit delivers convenience and solid performance.

Frequently Asked Questions

How long will the system water plants unattended?
With a full 13 gallon reservoir the 2-pack can provide automatic watering for up to one month under typical conditions.

Can this be used with plastic pots?
No, the system relies on wick lines drawing moisture through fabric; it requires fabric grow bags to function as designed.

Is electricity required to run the system?
No, the Spider Farmer system is gravity-fed and needs no power to deliver water to the pot bases.