Uro-Tainer Solutio R 6% citric acid Twin 9746625. Specially designed to treat urinary indwelling and suprapubic catheters with stubborn calcification where Suby G does not provide sufficient result.  In additions, this fluid minimises trauma when removing an indwelling or SPC catheter when encrustations are evident.  Twin chamber allows two sequential wash-outs and only breaks the closed system once.  Must be recommended by health care professional before use.