Quick Summary
FlyMac is a plant based fly spray concentrate in a 300 ml pack. It is described as a fly spray concentrate for horses and is intended to be diluted with water before use, with the pack making up to 3.3 litres of ready-to-use spray.
The formula is described as natural and free from DEET and synthetic ingredients. It is also described as having a fresh herbal scent with eucalyptus and peppermint oils.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | FlyMac. Useful for matching the correct product line. |
| Product type | Plant based fly spray concentrate. The concentrate needs dilution before use. |
| Pack size | 300 ml. Check this against how much ready-to-use spray you want to make. |
| Yield | Makes up to 3.3 litres of ready-to-use fly spray. This helps with planning how far the bottle will go. |
| Formula | Described as DEET-free and made without synthetic chemicals. |
| Scent | Eucalyptus and peppermint oils are mentioned for the scent profile. |
What to Compare Before Buying
- Pack size: This is a 300 ml concentrate, so compare it with how much spray you expect to mix and use.
- Yield: The stated yield is up to 3.3 litres of finished spray, which helps you judge refill frequency.
- Formula: It is described as plant based and DEET-free, so check whether that matches your preference for fly control products.
- Scent: Eucalyptus and peppermint oils are mentioned, so the fragrance profile may matter if you prefer a particular scent.
Before You Decide
Check that you want a concentrate rather than a ready-to-use spray, and that the 300 ml pack and stated 3.3 litre yield suit your needs. If you prefer a DEET-free, plant based fly spray for horses, this is the main version to compare against other options.









