Table 2 Materials for constructing one hydroponic system

1.

2 L polypropylene clear plastic container with a screw lid (13 cm diameter × 19 cm tall) (product code: JARC2000)

1

The Plastic Man, Mordialloc, VIC, Australia

2.

3 L polypropylene clear plastic container with a screw lid (13 cm diameter × 28.5 cm tall) (product code: JARC3000)

1

3.

500 mL polypropylene clear tube with screw cap (6.7 cm diameter × 15 cm tall) (product code: 75.9922.812)

1

Sarstedt

4.

Stainless steel wire (1.6 mm diameter), cut into 1 cm length

6

N/A

5.

Polyethylene plastic mesh (3 mm), cut into 6.5 cm diameter disc

1

Menzel Plastic Traders, Melrose Park, SA, Australia

6.

4 mm Threaded inline tap (product code: 1010452)

1

Pope Products, Beverley, SA, Australia

7.

4 mm Threaded adaptor (product code: 1010013)

1

8.

4 mm Elbow adaptor. One side was trimmed off and the hole was enlarged, so it can be connected to the Part #6 (product code: 1010007)

1

9.

Syringe needle. The needle was removed, and only the plastic attachment base was used

5

Terumo

10.

1 mL Syringe. Only the first 2 cm of the syringe head was used. The rest was cut off and removed. This can also be used as a plastic plug when the hole sealed is sealed

2

11.

0.45 μm Nylon syringe filter (autoclavable) (product code: ESF-NY-30-045)

5

Kinesis Australia, Redland Bay, QLD, Australia

12.

0.22 μm PES sterile syringe filter (product code: Z359904)

1

Millipore

13.

Medical grade silicone tubing (4 mm diameter), cut into 10 cm and 20 cm length

1 Each

N/A

14.

Metal bulldog clip

1

N/A

15.

Air compressor (35 L min⁻¹ capacity), (product code: HAILEA ACO-208)

1

Guandong Hailea Group, Guandong, China

16.

Aquarium pump tubing (4 mm diameter) and plastic T-joints for the tubing

As required

N/A

17.

Plastic glue (J-B Weld Plastic Bonder Syringe)

As required

J-B Weld, Sulphur Springs, TX