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do viable cannabis seeds float

There’s another box that needs to be ticked off the list before growing as well, one that is often overlooked. Checking the quality of your cannabis seeds before placing them in the soil is a simple process, and one that can save a lot of time and energy in the long-run.

The most reliable way to check if your seeds are viable is to simply place them in the soil and allow them to germinate. Although this method is easy, waiting for them to pierce through the top layer of soil can take some time. This can be especially time consuming when growing on a large or commercial scale, or when simply wanting to get a grow started as quickly as possible.

SOURCE OFTEN DETERMINES QUALITY

One cost-effective and simple trick to determine if your seeds are worth the time is to see if they float in water. Fill up a glass or jug with water and place your seeds on the surface. Leave your seeds in the water for a few hours and return to check on them later. Seeds that have sunk to the bottom of the water are healthy and should be germinated now that they have been soaked. Any seeds that remain floating on the surface are likely of bad quality and shouldn’t be used if you don’t want to risk wasting time.

Healthy seeds are mostly hard to the touch and should be able to resist external pressure when placed between the index finger and thumb and given a squeeze. If your seed cracks under this pressure, then it’s a sign of a weak and unhealthy one.

Sowing dud cannabis seeds can prove to be a waste of time and effort. But how can you tell the healthy ones apart? Take a look at these tips for some guidance.

7pH in a container that is covered from direct light. When the tap root is about ¼ to ½ inch in length, you know the cannabis seeds are ready to be placed into their growing medium.

7pH. The cannabis seeds were placed with taproots sideways or with the seed hull standing upright and the taproot pointing downwards about ½ to 1” inch deep into the promix growing medium.

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June 03, 2019

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The germination of cannabis seeds depends on the right amount of heat and moisture (NGA, 2018). Since viable cannabis seeds float on the surface of the water, they are able to retain the proper ratio of moisture and air. Seeds that do not float may be sterile or underdeveloped. When you roll the seed in your hands prior to floating the seed, it should be firm and brown with the occasional dark stripes in appearance. Immature cannabis seeds appear green or sometimes white and as stated above they will sink to the bottom when you attempt to float them.

After a total of four days since the cannabis germination started a majority of the cannabis seedling should begin to sprout from the surface of the growing medium.

Within 24 hours these seeds had a success rate of 100% with all seeds showing tap roots and being placed into a different set of 8oz paper cups that were full of presoaked promix. The promix was only immediately presoaked using filtered water with

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