Search results

Evening all, Had a conservatory roof clean recently and the roof is under a large tree. There was lots of dried sap sticking to the roof and I couldn't remove it for the life of me — usually a coat of Virosol makes conny roofs easy after leaving it on for 5-10 mins but after 3 applications and...

Thank you for the in depth replies! To clarify a couple of points/questions from everyone: — we did indeed flush both the pre filter and the membranes. As per some specs we saw online we flushed the pre-filter for 30 mins and the membranes for approx. 20 mins. However after taking the gear to...

Not when my colleague who sold the system to us in Sussex gets 280 and was getting below 9. A reading of 30tds is extremely high for these filters and would only result in around 3000L of water for every 7L of resin.

Wont that just prolong the resin for double but only because we have twice as much resin.....?  Thanks Spruce, we have 2 x axiom hf5 membranes after the pre filter, going into a 7l resin tank. 

Evening gents,  Hope you can help with this as my business partner and our usual window cleaning contacts are at our wits end with this. We decided to get into the window cleaning business about 6 weeks ago and purchased a load of equipment from a friend — this included a purification system...