Air - As any small plant, sprouts need air to breathe, without it they will succumb to mould and rot more easily. Donít put them in sealed containers and make sure that they get enough.
Water - After a good soaking, sprouts need water every 12 hours at least and more if its hot. Regularity is key, if they are even slightly deprived in their first few days of life they will be permanently setback. In your efforts to keep them watered donít drown them, they must be allowed to freely drain, else they will soon rot. If you let them dry theyíll die. If you let them soak theyíll choke.
Warmth - Sprouts need to be kept warm to germinate and grow. Optimum temperatures vary but 70 to 75 f is a good start. Donít let them get too hot or theyíll wilt, lose vitality and die. Colder temperatures will slow growth and are good for storage, but donít freeze them.
Space - For best results, give your sprouts some room. Some sprouts can increase up to 30 times their size. Cramming them in a jar or overfilling a tray or bag will force them to compete for light and air, with inevitable casualties. Spread only a thin layer of seeds in trays, keep them mobile in bags and jars and remember they get bigger!
Light - Most sprouts canít use light in the first few days of growth, and many never need it. However, any that produce leaves will eventually need light to Ďgreen upí. Direct sunlight should be avoided unless itís cold, as it can overheat your crop. Most sprouts will be fine if they get indirect natural light, there is no need to keep them dark.
Nutrients - Adding liquid plant nutrients to the soak water will give the sprouts an extra boost that you will later enjoy. It is not necessary, but will increase their health, longevity and nutritional value. You can also mist the sprouts with a dilute solution after rinsing. Use a few drops of liquid kelp in water, or another organic plant feed.