USPS Ground Advantage Required, Can only ship STS to USA

Khalifa Genetics Recipe:

Part A - 1 gram - Silver Nitrate

Part B - 5 grams - Sodium Thiosulfate Anhydrous

Solution A:

Fill up a light proof glass bottle with 1000ml of distilled water/reverse osmosis water.
Slowly poor 1 gram of Silver Nitrate into the distilled water and gently swirl the bottle around for 30 seconds to dissolve the crystals.
Label it “Solution A” and store it in a fridge.

Solution B:

Fill up a light proof glass bottle with 1000ml of distilled water/reverse osmosis water.
Slowly add 5 grams of Sodium Thiosulfate Anhydrous or 7.8 grams of Sodium Thiosulfate Pentahydrate into the distilled water and gently shake the bottle for 1 minute to dissolve the crystals.
Label it “Solution B” and store it in a fridge.

Solution AB (STS Reversal Spray):

STS spray has a short lifespan of about 1 month. Breeders need to store it in a cool and dark place. Keep in mind that the fresher your STS reversal solution (Solution AB), the better. Therefore, it is great to make your STS right before spraying the plants.

4 Simple Steps To Making STS Spray Solution:

1) Poor 100ml of solution B into a cup using a big clean plastic syringe.
2) Using another clean syringe, slowly poor 100ml of solution A into the solution B while stirring with a plastic stirrer.
3) Poor the AB solution into a clean light-proof sprayer.
4) Add 600ml of distilled water and gently shake the sprayer.