Grow troughs for large plants, MyFarm aquaponic kit

Regular price 49,00 €
Regular price Sale price 49,00 €

These growing trays complete the aquaponic MyFarm kit for plants with a large root volume, such as tomatoes, courgettes, and aubergines, which the towers cannot accommodate.

The trays connect directly to the kit's water circuit, which irrigates them automatically. The set includes 3 or 12 trays, along with their mounting brackets and pipework.

Aquaponics kit extension
Extension type : Extension for 3 large plants
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The summary

  • What you receive: 3 or 12 growing beds, their mounting brackets, and the connecting pipework.
  • What it is for: providing root volume for tomatoes, courgettes, and aubergines — crops that the towers cannot support.
  • Space required: all greenhouse sizes for the 3-bed version; at least 220 by 290 cm for the 12-bed version.
  • Connection: to the water circuit of the MyFarm kit, using the inlet and outlet fittings supplied.
  • Management: string training, removal of side shoots, and a gradual increase in the fish feeding rate.
  • What you should know: the two versions cannot be combined — you choose one or the other.

Large-volume planters for crops that the towers cannot support

The large-plant beds of the MyFarm aquaponic kit give tomatoes, courgettes and aubergines enough root space, which the vertical towers cannot provide. They connect to the kit's water circuit and come as 3 beds, suitable for any greenhouse, or as 12 beds, which require at least 220 x 290 cm.

The vertical towers of the MyFarm aquaponic kit suit leafy vegetables, herbs and small fruiting vegetables. A tomato, a courgette or an aubergine needs more: a root volume and a base that the diameter of a column cannot provide. This extension gives them individual grow beds, connected to the water circuit you already have, in packs of 3 or 12.

🍅 What needs volume

Each bed is filled with clay pebbles and receives the nutrient-rich water from the pond, which flows through it before returning to the circuit. This is where you grow the plants that fruit and put on weight: tomatoes of every variety, aubergines, peppers, chillies, courgettes, cucumbers, gherkins, melons, as well as large cabbages, cauliflowers, broccoli and hearted cabbages. Their root system fills the whole bed you give them and finds the support that lets them carry fruit for several months. Carrots, turnips and potatoes, which form their crop underground, remain reserved for open soil, whatever the container.

📐 Three beds, or twelve

The extension comes in two versions, which cannot be combined: you choose one or the other, depending on the space you actually have. The 3-tray version sits above the pond, on its frame, and so makes use of a space that was not growing anything; it therefore suits all greenhouses, even narrow ones. The 12-tray version stands on its own supports, which are supplied, and needs a greenhouse at least 220 cm wide and 290 cm long to leave a walkway.

The 3-tank version

It sits on the pond frame, above the water, without encroaching on the pathway.

Its compatibility

It fits all widths and lengths of greenhouse equipped with the kit.

The 12-tank version

It fits onto its supplied supports, along with its connection pipework.

Its limitation

It requires a greenhouse at least 220 cm wide and 290 cm long.

Tall plants on the north side of the greenhouse

Position the tallest plants, tomatoes and cucumbers, on the north side of the greenhouse; otherwise their foliage will shade the towers and slow the growth of your lettuces. Also check your greenhouse dimensions before choosing, as the 12-trough version requires a minimum width of 220 cm and a minimum length of 290 cm.

Tie the stems to their string in one easy movement

In aquaponics, a tomato or cucumber is trained up a string tied to the ridge of the greenhouse, and the plant tying machine fixes the stem to that string with a single squeeze of the hand. Over 12 beds trained every week throughout the season, it replaces dozens of hand-tied ties. The tape cuts cleanly at the end of the crop, which leaves the beds ready to be rinsed and replanted.

🐟 The fish ration

A fruiting plant consumes more nutrients than a lettuce, and this can be calculated from the feed given to the fish. Aquaponics growers allow 40 to 50 g of feed per day for each square metre of leafy vegetables, against 50 to 80 g for a square metre of fruiting vegetables. If you add tomato beds to an installation that is already planted, you therefore increase the demand, while the tank and its fish stay the same. Increase the ration in stages as the plants grow, and watch the young leaves: yellowing between the veins often signals an iron deficiency, which the kit's mineral salts or a chelated iron will correct. The article on deficiencies in aquaponics helps you recognise them.

🌿 Training a fruiting plant

Two steps will ensure good harvests from these crops. The first is to train the plants vertically, attaching strings to the top of the greenhouse to guide the stems upwards, as growth is rapid when the water feeds the roots continuously. The second is to pinch out the side shoots of the tomatoes, so that the plant devotes its vigour to the clusters of flowers and fruit rather than to foliage. Also keep an eye on flowering, because a closed greenhouse lets few pollinating insects in: a few shakes given to the stems in the middle of the day are enough to set the tomato flowers. The guide to growing tomatoes in aquaponics details side-shoot pruning and hand pollination.

🔁 Two rhythms in the greenhouse

These beds do not replace your towers, they complement them, and you share your crops between the two according to their growing cycle. Keep the columns for what grows quickly and is harvested often, such as salads, herbs and leafy vegetables, and reserve the beds for plants that bear fruit over several months. You then get two growing rhythms in the same greenhouse: a fast rotation on the towers, and plants settled in for the season in the beds. At the end of the season, the beds are emptied, the balls are rinsed in clean water to clear them of roots, and they are then used again for the next crop, as expanded clay can be reused from one year to the next.

Technical specifications

The essentials

Versions
3 or 12 troughsThe two cannot be combined: one or the other, depending on the available space.
Use
Plants with a large root volumeTomatoes, courgettes, aubergines, peppers, large brassicas.
Connection
On the kit circuitInlet and outlet fittings supplied with the pipework.
Compatible system
MyFarm Aquaponic Kit
3-tank version
All greenhouses fitted outIt sits above the pond and doesn't encroach on the surrounding paths.
12-trough version
220 x 290 cm minimumWidth then length of the greenhouse.

To budget for separately

Clay balls
30 L or 120 LFor the 3-tank version, then for the 12-tank version.

In the box

  • 3 or 12 growing troughs, depending on the version chosen
  • The fixing brackets
  • The connecting pipework, with its inlet and outlet fittings

Number of grow beds, minimum greenhouse dimensions and grow medium volumes: information from the manufacturer MyFarm, sourced on 20/09/2026. Feeding guidelines: FAO small-scale aquaponics guide.

Estimate your
delivery time

The tanks and their stands travel as standard parcels. The 12-tank version represents a considerably larger volume than the 3-tank version.

Frequently asked questions

8 questions

6 key questions, 8 in the detailed view

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