We are delighted to introduce a new range of chemicals to compliment our MacChem range!

Dosafil Solid Heating Chemicals 🙂 are the industries first solid dosing chemical. 

Simply drop a block into the system filter and after 15 minutes, your system will be fully dosed 🧪

Easier to store in your van
Exo Friendly with no plastic packaging
Clean and easy dosing
Test kits available 

Now Available from MacDonald Plumbing Supplies...

https://www.macdonaldplumbingsupplies...

Our Mission is to Increase #plumbers Profits & we would love to get an order!