100g, 500g, 1Kg in poly bottles
Agar is used as microbial solid culturing media. The substance is often used in doses ranging between 0.5 to 1.0% (w/v) to solidify plant tissue culture media. Agar is an essential ingredient used for in vitro root development.
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I originally receive the small size of agar and as soon as I was half way through the small bottle I just had to order a KG! This stuff works great for most cannabis cultivars and works great for other plant species too. Definitely worth it! I throw in a silica gel pack in so no humidity builds up in the bottle after opening and closing, this keeps it fresh with no clumping. I’ll be testing this for mycology next, I’m certain it will work great for that too! I’ve tried other companies and others have not worked as good as this. Definitely in my top 2 preferred gelling agents! Will definitely buy again! Probably even a bigger size next time! I’ll be testing it on avocados and other tropical plants next. Thank you so much for the great quality agar!
I have been using the PCT Supreme Grade Agar for plant tissue culture and orchid seed germination for several months and have found it to be very good in terms of performance, color (essentially colorless), clarity, and gel strength. At about 6.5 g/L it gives me a very good gel for my purposes. The price is very good too.