Thanks for all contributions, suggestions, feedbacks and tips.
The final results are:
A total of 7ft de-glued =
1.5ft eucalyptus oil @ 1 hour
0.5ft metho @ 30mins
5ft De-Solv-it @ 25mins
The chemical of choice and clear winner is:
Pros: time efficiency
minimal product required for maximum result
cost effective @ approx $7.50 per 125ml, actual usage 25ml approx
Cons: Unreliable pump delivery system, execution 1 dose to 15 pumps
Greatly appreciated................BreezyC, JJ, PP