Sprouting trays also come in stacked form. By stacking you can grow various types of sprouts simultaneously, hence allowing for a continuous harvest. Generally they come with an ingenious irrigation system with drainage holes, so you can water the complete tower at once. While still keep a thin layer of water present on each deck.
A common problem is that these drainage holes get clogged with slimy seeds. When you use larger seeds (like mung beans for taugé) you can prevent this from happening. Note: Some germ seeds must first be fully immersed in water, otherwise they won’t grow as good as they should.
The towers come in two materials: stone and plastic.
Plastic
The plastic towers are usually cheaper and have specific advantages over the stone variants. Whilst you can see through the transparent material it is easier to keep an eye on how the germs grow. Next to that cleaning a plastic tower is much more easy to do, some of them can even be put in a dishwasher.
Stone
Stone germinating towers are sometimes made of terra cotta-like material. The great advantage is that this material can hold moisture for a long time and thereby prevent the risk of sudden dehydration. The major drawback is that they are pricey.
Demoyaya Sprouting Mason Jars, Seed Sprouter Kit 2 Sprouting Mason Jars with Stainless Steel Strainer Lids Stands Germinator Set, ...
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DECOCRAFT THREE LEVELS SEED SPROUTER GERMINATOR FOR BEANS & SEEDS/Healthy, Organic Sprouts
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SUL Sprout Maker Box for Sprouting Seeds with 3 Seed Trays, Hygienic Germinator Sprouter Seed Maker with Lid, Stacking Sprouter Tr...
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Geo TZZ0933 "Geo Terradisiena Terracotta" Sprouter - Brown
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Johnsons Seed Microgreens Kitchen Seed Sprouter
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Verdant Republic Clay Sprouter Kit | Terracotta Tower with 3 Shallow Germinating Trays, Paper Discs & Free E-book | 2 in 1 Sprouti...
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nuyikaso 6 Pack Seed Sprouter Trays with Lids Seedling Germination 33.5 x 23.5cm Large Capacity BPA Free Greenhouse with 24Pcs Pla...
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Chef'n Countertop Sprouter Kitchen Sprouting Kit, Grow Your Own Seeds Alfalfa Broccoli Mung Bean for Salads, Glass Jar In Gift Box...
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Sprouting Seeds Jar Kit-2Pack 32oz Complete Mason Jar Sprouting Kit with Stainless Steel Sprouter Lids, Stand & Tray Organic Home ...
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Rapunzel BioSnacky Small Germinator| Device for Growing Sprouts | Dishwasher-safe Glass Jar | Strong Lid with Drainage Holes | App...
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