Cannabis Seeds Sink Or Float

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Are you getting ready to germinate cannabis seeds? If so we will review if Cannabis Seeds Sink or Float Method of germination. Just curious if it makes a difference as far as if the seed is good or not if it sinks or floats?

Should Cannabis Seeds Sink or Float?

So as a grower you just bought your new cannabis seeds. Now you need to grow these seeds and have heard of the sink and float method of cannabis seed germination.

This is a very simple method used to start to see if the seeds that you bought or were given to you are going to germinate before you put them in the soil.

Science behind Cannabis Seed Viability the floating water test

In nature cannabis seeds are food for many animals big and small. They are also a great protein source for insects. Once the seeds are eaten by the insect, they will get inside the seed, it will no longer be able to absorb water. Therefore the seeds will float.

Not all seeds will work for these methods however cannabis seeds are one of those types of seeds.

These Cannabis Seeds are Stone Cold Diesel from Green Avenger Seeds Company

Experiments With the Sink or Float for Cannabis Seeds

In tests the average of all tests showed a germination of 68.3 per cent for sunken seeds and 72 per cent for those that floated. In a second set of experiments, it was found that 75.4 percent of the sunken seeds and 86.7 percent of those that floated germinated. Pretty cool stuff, however it shows that the cannabis seeds sink or float method is not always 100% fool proof.

Where to find cannabis seeds to grow online

There are many places to buy cannabis seeds online, we recommend Green Avenger Seeds if you are looking to buy cannabis seeds online. They have great seeds to use for trying the sink or float method of cannabis seed germination.

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What do cannabis seeds need to germinate

When germinating cannabis seeds it all comes down to the right amount of warmth and moisture that is provided for the seed. As a new grower you will be looking for seeds that are dark brown in color, they may have stripes on them. Cannabis seeds that are not mature will look white, green, or even gray in colors.

The seeds should be firm and not have any cracks in them. If you push on them gently they should not break in between your fingers.

Cannabis Seeds from Green Avenger Seeds getting their Tap Roots

How to add your seeds to water

First take your new seeds, then fill up a glass of water about half full not half empty (LOL). The water should be clean and have a neutral PH of about 6.5 to 7.0.

For a bonus you can add a drop of Superthrive, and also a teaspoon of kelp (Seaweed extract), this will really give the seeds a jump start as the kelp contains growth hormone that will activate the cannabis seeds.

Place you seeds in the dark

Now you are ready to cover your seeds and place the glass in the dark for 24 hours. The glass with the seeds should be in a warm spot that is dark for best results.

Now Check if your Cannabis Seeds Sink or Float

After 24 hours comes the big moment, you can remove the glass of seeds from the dark and check on them, you should see the viable seeds floating at the top of the glass. They should start to have a sprout growing out of them. If they do not you may want to place them back in the dark for another 12 hours.

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The Cannabis Seeds that were not viable, will have sunken to the bottom of your glass in the water.

Planting your Floating Cannabis Seeds

Now that your seeds are floating that means that you can now plant them in your soil mix.

Gently remove the seeds from the glass with tweezers and make sure you place the germination sprout that has emerged for the cannabis seed facing down in the soil. This new young sprout will push its way down into the soil and at the same time push the seed and the first young leaves above the soil.

Growers achieve 100% Germination rates with the Cannabis Seed Sink or Float method

This seed starting method works very well and you will normally get a perfect germination rate with fresh cannabis seeds.

Why Use the Cannabis Seed Sink or Float Method

When starting seeds directly in the soil, you really don’t know if they will be viable or not. With the Cannabis Seed Sink or Float Method you know that the seed has already germinated.

This process takes the guessing game out of the process, you know that within a day to a couple of days your seedling will break ground.

There are many other ways to germinate cannabis seeds and we will be covering more.

Does it mean amything when seeds float vs sink?

I don’t think the good egg/ bad egg rule applies here. Never tried germinating my seeds in a cup of water.

GoinGreen09
Member
Dirtyboy
Well-Known Member

Soak them for 24 hrs and plant them sink or float or regardless how they look.

Float or sink they may still grow.

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RichED
Well-Known Member

dont throw a non floater away i have a few steps
1- underwater first night on heating pad in dark most split then to soil
2-dont slit then soak under peroxide overnight slit to soil
3-dont slit pour off liquid leave between napkins for abup to a week to split and go to soil
4-dont split after week start scarcification includes sandpaper picking pieces of husk off scraping the little cover over seem off and fanal dont like to do but have done succesfully must be carful not to injur inside has a high success rate is to split with exacto knife at seam easy easy

for finish stages at about 99 5 success rate after step 3 at about 75 % after step 3 i feel like nothing to lose and actually improve percentages step 4 has a lot to do with how i feel but always get better numbers after if i have to go that far

growone
Well-Known Member

i had always heard that sinkers are the good seeds, takes a while for good ones to sink, usually a few hours
all my sinking seeds have germinated

RichED
Well-Known Member

i dont do float thing at all i use bottom of beer cup about 1/2 of it then trace folded paper towel till it opens like a book cut out put bean in it i have a tarced piece of terry cloth i use one on bottom to hol mois terry on top keeps it below water anyway nekt day if not split take off top terry pour out water leave in moist paper towel on top of moist terry to hold moisture no need to keep misting all the time

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