Time will tell whether it does a good job, but it has got to be good to get the system cleaned out.
Verified purchase: Yes | Condition: New
best brand name
Verified purchase: Yes | Condition: New
Heating system was somewhat less than perfect before using this product. Now 100% improved.
Verified purchase: Yes | Condition: New
does a great job cleans in a very short time
Verified purchase: Yes | Condition: New
Fernox is a good quality product for professionals and DIYers.
Verified purchase: Yes | Condition: New
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