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Sea moss comes in different colours, and one of the most searched questions today is how to make purple sea moss gel at home. While gold sea moss is more widely known, purple sea moss is valued for its naturally darker colour and traditional preparation methods. 

Making gel from purple sea moss is not much different than making it from the gold variety. The steps are the same. The process is simple. The main difference is the beautiful purple colour that shows up in your final gel. 

If you have dried seaweed at home and are wondering how to make purple sea moss gel, this guide walks you through it. We cover everything from rinsing to storing so you get a smooth gel every time. 

What You Need Before You Start 

Getting your supplies ready first makes the process smooth. You do not need fancy equipment. Most items are already in your kitchen. 

Ingredients and tools: 

  • Raw purple sea moss (dried)
  • Filtered water or spring water
  • Large bowl for soaking
  • Strainer or colander
  • Blender
  • Glass jar with lid for storage  
  • Spoon or spatula 

Purple sea moss gets its darker colour from naturally occurring red‑algae pigments, primarily phycoerythrin, which is common in red seaweeds. Colour intensity can also depend on the amount of light exposure and the types of drying that are used, for instance, purple sea moss is usually shade-dried to keep its natural colouring. 

Step 1: Rinse Your Raw Purple Sea Moss 

The first step is cleaning the dried seaweed. It comes from the ocean, so it may have a little sand or small shells on it. 

Place the raw purple sea moss in your strainer. Run cool filtered water over it. Use your hands to move the seaweed around. Do this for one to two minutes until the water runs clear. The aim is soft, pliable seaweed that blends easily. 

Step 2: Soak the Sea Moss Overnight 

Put the rinsed sea moss in a large bowl and pour in enough filtered water to cover it completely. The seaweed will float, so you may need to put a small plate on top to keep it submerged. 

Soak it for 12 to 24 hours. During soaking, the sea moss expands and becomes soft and plump. The water may turn a little cloudy or take on a light purple tint. This is normal. 

If you are using dehydrated sea moss, the soaking time is the same. The goal is soft, flexible seaweed ready for blending. 

Step 3: Rinse Again After Soaking 

After soaking, return the sea moss to your strainer. Run it through cool filtered water one final time. This washes away any last bits from the soak water. 

Your sea moss is now ready to blend. It should feel soft and look plump. 

Step 4: Blend Until Smooth 

This is the main part of learning how to make purple sea moss gel. Put the soft, rinsed sea moss into your blender. Add fresh filtered water. 

Start with about 1 cup of water for every 1 cup of soaked sea moss. You can always add more water if needed, but you cannot take it out. The natural purple hue from the raw purple sea moss is now clearly visible. Put the blended mixture into a clean glass jar, seal it, and keep it in the fridge overnight for the gel to properly set. This generally takes between one and two minutes. 

The end result should appear as a thick, uniform liquid. The natural purple hue from the raw purple sea moss becomes visible clearly now. 

Step 5: Refrigerate Overnight 

Transfer the blended mixture into a clean glass jar, seal it, and refrigerate overnight to allow the gel to set properly. This allows the gel to set properly and lets any extra moisture evaporate. In the morning, put the lid on tight. 

The gel will thicken as it cools. Next morning, you can find a smooth purple sea moss gel ready for you to use. 

How Long Does Purple Sea Moss Gel Last? 

Regular sea moss gel should be kept in a sealed glass jar in the refrigerator and consumed within 1 to 2 weeks to maintain the best quality. Always use a clean, dry spoon when removing gel. This prevents bacteria from getting into the jar. If the gel starts to smell bad or if you see mould, throw it away. 

You can also freeze sea moss gel. Pour the mixture into your ice cube trays and freeze it until solid. Once the cubes have frozen, take them out and put them in a freezer bag for storage. 

Tips for the Best Purple Sea Moss Gel 

A few small tricks help you get the best result every time. 

  • Use clean water: Filtered or spring water performs best. Chlorine is present in tap water, and it can be one of the factors that leads to the loss of freshness of the gel.
  • Soak for sufficient time: Allow for enough soaking time as longer soaking results in softer seaweed and a velvetier texture when blending.
  • Blend thoroughly: Continue blending until no fragments remainAt the same time, a nice gel is more readily incorporated into drinks.
  • Going for glass: Glass vessels are way more user-friendly when it comes to cleanliness as compared to plastic ones.
  • A slight fading of colour may occur: The gel made from purple sea moss usually loses a little of its purple colour. That is a natural occurrence and does not affect the quality of the product. 

Why Purple Sea Moss Is Different 

Purple sea moss gets its darker colour from naturally occurring red‑algae pigments, primarily phycoerythrin, which is common in red seaweeds. Colour intensity can also be influenced by light exposure and drying methods, with purple sea moss often shade‑dried to preserve its natural pigments. 

Purple sea moss has a nutritional profile like gold sea moss. Both provide minerals such as iodine, magnesium, calcium, and zinc. The main difference is that purple sea moss contains more anthocyanins.  

Ways to Use Purple Sea Moss Gel 

You can apply purple sea moss gel in many different ways after preparation. 

  • In smoothies: In smoothies: Add one to two tablespoons to your morning smoothie for a smooth texture and mineral‑rich addition.
  • In the tea: Just add one spoon of gel to a piece of tea to make the most basic and easy drink.
  • In the soups: You can use it even during soup cooking to get a thickening effect naturally.
  • In the oatmeal: Having it in your hot oatmeal will provide you with extra minerals. 

Guide to Storing Dried Purple Sea Moss 

Dried purple sea moss keeps well when stored correctly. Keep it in a cool, dry area out of direct sun. A pantry or cupboard is a good spot to keep it. 

Stored correctly, dehydrated sea moss can last for years. If it gets damp, it can mould. Always check before soaking that it looks and smells clean.  

Frequently Asked Questions 

1. How long should I soak raw purple sea moss?

Soak for 12 to 24 hours until soft and plump. Longer soaking gives smoother gel. 

2. Can I use dehydrated sea moss for this recipe? 

Yes. Dehydrated sea moss is the same as dried sea moss. Just follow the same steps. 

3. How much water do I add when blending? 

Start with 1 cup of water for every 1 cup of soaked sea moss. Adjust based on how thick you want your gel. 

4. Why did my gel turn brown? 

This can happen if the gel sits too long or if it was blended with soaking water that had impurities. 

5. How do I know if my gel has gone bad? 

Check the smell and look for mould. If it smells sour or has fuzzy spots, throw it away. 

6. Can I freeze purple sea moss gel?

Yes. Freeze in ice cube trays for easy portions. Thaw in the refrigerator before use.