How to build a Watercress Floating Tray.

Step-by-Step Guide on how to build a simple watercress floating tray for a Deep Raft Aquaponics System.

• Author: Paulo Marini.
• Time required: 30 mins.
• Difficulty: Very easy.

Relevant Parts:

• Vegetable Tray.
• Four 300mm x 4.8mm cable ties.
• Polystyrene Foam.

Step 1

• Ask your local grocer or shop for a plastic vegetable tray.
• Remove any labels or stickers.
• Clean the tray.

Step 2

• Cut two pieces of polystyrene foam that are the approximate length of the tray.

Step 3

• Tie the piece of polystyrene foam as shown.
• Cut the loose ends of the cable ties.

Step 4

• Cut grown watercress from a safe local source, or alternatively use fresh watercress from the supermarket.
• Please Note: Wild watercress may be contaminated with Fasciola hepatica, a common liver fluke.
• Distribute the watercress evenly in the tray.

Step 5

• Take the tray to the Deep Raft Aquaponics, or to your fish tank.
• Note the ideal water level in picture two.
• Make sure all watercress is in contact with the water.

Step 6

• Pictures taken after two weeks.
• Growth will vary from system to system.
• Cut-and-come-again crop.