Negotiators from Fine Gael and Fianna Fail have adjourned their talks for this evening to resume again tomorrow.
Both Fine Gael and Fianna Fáil have stressed the need for 'compromise' as they continue talks on Irish Water.
The future of the utility, and the water charges system, remains the biggest obstacle to a deal allowing for the formation of a minority FG led government.
Speaking earlier Fine Gael's Michael Noonan would not predict how long a deal may take: