This water based non toxic sealant is used to paint an exposed cut on the scion after grafting or pruning. Grey when applied, sets to clear, almost like a glue. Use a brush or just a stick to dab it on. 300g pot.
Pollination is far simpler than most people think. Generally, unless self fertile simply get 2 or more different varieties in the same group (eg pears) to ensure adequate pollination. A more comprehensive explanation can be found in our Pollination Guide