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Organic ginger water crystals are water kefir grains that are grown in a mixture of powdered ginger and produce a ginger beer style drink very high in bacteria and yeasts. We usually advise against adding anything to water kefir during the first stages of fermentation, however these grains have adapted well to having ginger thrown into the mix. The grains themselves are technically no different to water kefir grains other than they tend to be a little smaller than regular water kefir grains and will have a strong ginger flavour when brewed.
Ginger water crystals are a symbiotic colony of bacteria and yeast. Although they’re called “crystals,” ginger water crystals look more like gelatinous blobs thought they contain no actual grains or gluten. These bacteria feed on sugar and produce lactic acid, alcohol (ethanol), and carbon dioxide, yielding a fermented carbonated beverage. The alcohol content is usually very minimal, less than 1 %. If you don’t want to consume diary products, then ginger water crystals are an excellent non-dairy fermented food source you can enjoy every day.
Ginger watercrystals are typically composed of Lactobacillus casei/paracasei, Lactobacillus harbinensis, Lactobacillus hilgardii, Bifidobacterium psychraerophilum/crudilactis, Saccharomyces cerevisiae, and Dekkera bruxellensis. It typically contains less active bacteria than Milk Kefir but offers a dairy-free alternative probiotic that can also be consumed daily. It’s simple to make, and as long as you look after the culture, it will produce ginger water indefinitely.
Recommended activation date for culture:
15 days from the date of shipping. Best stored in the fridge if the product can not be activated on arrival.
Please note that we do not send printed copies of instructions with your purchase. If you would like to have a printed version, you can open a printable PDF by clicking here.
TABLE OF CONTENTS:
Once you receive your ginger water crystals from us, it’s important to get them fermenting as soon as possible. If your unable to do that right away ensure you activate them before the use by date stated on the packaging and store them in the fridge until you are ready to start using them..
Ginger Water Crystals and metal
You will often hear that you should not use metal utensils while making ginger water crystals. Although this holds some truth, it has been greatly exaggerated! Ginger water crystals gets very acidic, if left in contact with metals for long periods of time, in theory it could degrade and rust the metal. That metal would then end up in the ginger water crystals and eventually in you. However, using a stainless steel strainer/sieve or spoon while making ginger water crystals will not cause any problems. The contact time between the metal utensils and ginger water crystals will always be very short. Never leave anything metal in contact with ginger water crystals for long periods of time.
You need something to brew your Ginger Water in. We recommend using something glass. Glass is much easier to clean and keep sterile. Plastic tends to degrade over time and is prone to scratches which can harbour unwanted bacteria. Plastic also carries a risk of chemical contamination from the materials contained inside of it such as BPA. A glass Kilner style jam jar is perfect to use.
You also need a plastic strainer and a plastic stirring spoon.
We also recommend you buy a water filter to remove the chlorine from your tap water. You can use bottled water, but this tends to get expensive.
You also need something to cover your jar with. We recommend paper kitchen towels as they are easy to discard and replace. You can also use a muslin cloth or similar if you wish. Rubber bands also come in handy to secure the cover to the jar.
You can also remove the rubber seal from the lid of any swing top jar (such as the Kilner jars supplied in our kits). With the seal removed, you can close the lid while still allowing airflow during fermentation.
During the warm summer months, the risk of explosions using glass greatly increases. During this time, it is often safer to use BPA free plastic bottles at the bottling stage. This is especially true if you are second fermenting with fresh fruit (adding more sugar).
You also need some bottles to store your Ginger Water in. Again we recommend using glass bottles. We find swing/flip lid style bottles suitable for fermentation work best with Ginger Water. If you are worried about explosions and glass, you can use plastic bottles. Plastic tends to degrade quickly. It also carries a risk breaking down into the mixture due to the acidness of Ginger Water. Make sure you use BPA free plastic.
It is important when using glass bottles to check and burp (release some of the gas build-up) on a regular basis to minimize the risk of explosions.
It is useful to get a funnel to help pour the liquid into the bottles.
Glass/plastic measuring Jug
It is also useful to have something to decant your strained mixture into. Glass or plastic measuring jugs are perfect.
You only need 3 ingredients to make ginger water, Ginger, water, and sugar. We prefer to use dried powdered ginger, as fresh ginger carries a risk of mold contamination.
When using water, it must not be chlorinated. This is very important as chlorine will damage and possibly kill your ginger water crystals culture overtime. We recommend using filtered water, which can easily be obtained by using a charcoal-based filter jug. Alternatively, you can use bottled mineral water.
It is best to use cane sugar. Cane sugar is easily broken down by the culture. We only use organic golden granulated cane sugar with our ginger water crystals. However, you do not have to use organic sugar if you do not want too, as refined white sugar also works well. You can also use beet sugar.
Unrefined brown sugar can over mineralise your grains over time. When this happens, grains will start to swell and then break apart forming a mush like layer. This is unhealthy for your grains. We recommend not feeding ginger water crystals on dark refined sugars.
As ginger water crystals are a living product, no one can predict how your grains will behave. In time you will learn what works best for your culture.
You need to activate your ginger water crystals; this is to revive them from the shipping process. Add 250ml of non-chlorinated water to your jar per 20g of ginger water crystals. Add one tablespoon of sugar (15g) per 20g of ginger water crystals and stir, so the sugar begins to dissolve. Place your grains in a jar with and cover it. Leave them for 48 hours at room temperature (ideally around 20c). Strain out the ginger water crystals and discard the sugar water. It is likely little fermentation has taken place during this stage. So although it might seem wasteful to discard it, you would most likely just be drinking some very sweet sugar water. Your grains are now activated and ready to brew your first batch of ginger water.
Pour 500ml of non-chlorinated water per 20g of ginger water crystals into your jar. Add one tablespoon of sugar (15g) per 20g of ginger water crystals and stir, so the sugar begins to dissolve. You can use warm water if you wish, however, we have never found any real need for this. Never use boiling/hot water. This will harm the ginger water crystals. Always allow any water to cool back down to room temperature (20c) if needed before continuing.
Now add one tablespoon of dried ginger (15g) per 500ml of the sugar/water mixture.
Never leave any fermenting product in direct sunlight. This can lead to unwanted bacteria and pathogens forming.
Add your ginger water crystals to the mixture. Cover the jar and leave it at room temperature out of direct sunlight for 48 hours. During colder times when the optimum temperature is not being met, you may need to leave the grains longer (72-96 hours) to ferment. We always recommended leaving the grains in the warmest possible location. If this is not possible, it may be worth considering investing in a heat mat or similar device.
At this stage, the ginger water should still taste sweet.
This is normal. The sugar left is required to carry out good carbonation (see the second fermentation below).
Strain the ginger water crystals out of the mixture using your plastic strainer, decanting the liquid into your measuring jug. This strained liquid is your drinkable ginger water. You can drink this right away if you wish. However, we would advise that you carry out the second fermentation stage on this liquid. Not only will it allow for carbonation (which makes it taste great), it will also increase the bacteria count and reduce the sugar levels further.
If you do not wish to carbonate your ginger water or carry out a second fermentation. We would recommend leaving the strained liquid unsealed at room temperature for a further 3-5 days to increase the bacteria count and reduce sugar levels further.
WHAT TO DO WITH THE GRAINS NOW
Place the ginger water crystals back into your fermentation jar and repeat the process to make a fresh batch of ginger water crystals. Usually, you would do this right away, while you are waiting for the second fermentation process on the batch made previously to finish. This is a continuous brewing cycle.
If you wish to take a break from this cycle, place the grains into the fresh sugar water and place them in the fridge. They can rest in the fridge for up to 3 weeks. Please be aware that an activation process is usually required to revive the somewhat dormant grains from the fridge.
Your grains will grow quite quickly. During the warm summer months, you may find they double in weight every 3-5 days. During the winter, they will usually double in size every 2 weeks.
When brewing with ginger water crystals, a good rule of thumb is to use 1 tablespoon of sugar per 20g of ginger water crystals. With a maximum of 40g of ginger water crystals per litre. Too much sugar or too many ginger water crystals can lead to over fermentation and more alcohol content.
This ratio is a guideline, not an exact science. Trial and error can be a big part of the fermentation process.
The second fermentation
It is now time to carbonate your strained ginger water. At this point, your ginger water should still taste sweet. This is expected and does not mean your fermentation has failed. It is important for some sugar to remain for the carbonation process to work.
The CARBONATION PROCESS
Using your plastic funnel, pour the ginger water liquid into your glass bottles and then seal them by closing the lids The bottles need to be 100% airtight. In the summer leave the bottles for 3-5 days until carbonated. During the winter it can take up to 10 days. Check the bottles every 3 days for signs of carbonation by gently opening the lids to listen for gas. Ginger water crystals can get very fizzy in the summer. Always ensure you use bottles designed to hold carbonated drinks to avoid the risk of explosions.
For fizzy ginger water, it is important to use something fully airtight in the second fermentation process. If you are not getting much fizz, this usually means air is escaping from your container. It could also mean that the bacteria have already used all the sugar in your mixture. A small amount of sugar needs to be present to allow gases to be produced by the fermentation process. Usually, if you’re adding fruit, this will contain the additional sugar required anyway.
The ginger water is now ready to drink. Place your bottles in the fridge to cool. Be very careful when opening the bottles. Ginger water crystals produce a very fizzy beverage.
Ginger water will keep in the fridge for around 30 days unopened. Once opened, it is best consumed within 3 days.
Ginger Water Crystals are very hardy. It’s unlikely they would have died during the shipping process. If you are experiencing problems, please do get in touch with us. Don’t worry, were always more than happy to resend more Ginger Water Crystals if required.
Ginger Water Crystals need a low PH to make a ‘clean’ brew. It does lower the pH itself, but sometimes it needs a helping hand especially at the start of the brew when ‘bad’ bacteria have it easy. If you only add white sugar, the Ginger Water Crystals can get taken over by bad bacteria. If you have a well established, very active brew you might be able to get away without acidifying it, but in the main, you will need to lower the pH. The brew can get smelly or go very slimy if you don’t get the pH low quickly enough in the brew.
Lemon Juice works well to lower the pH. Add 1-2 tablespoons of lemon juice per litre of water. Adding lemon juice also adds flavour and additional nutrients to the brew.
If you’re planning on going on holiday, you’re probably concerned about leaving your Ginger Water Crystals unattended. Don’t worry though. Place them in a fresh batch of water and sugar and pop the jar into the fridge. It will keep like this for 2-3 weeks.