ro membrane

Hi, does anybody know where I can buy DOW FILMTEC TW30-3012-500 in Europe? Kind regards

After watching this video I have some questions. He mentions there are two ways to run dual membranes- in parallel or in series, however the "series" he describes is not actually in series- it is the "wastewater staging" setup designed to take the wastewater from one membrane and filter that...

I have a 5 stage Rodi system with a 150 gpd ro membrane addition on the top of the 75 that came with the system. I only make about 60 gallons a month, so around 700 gallons a year. I have had this system running like this for 2 years now. should I change the top two blue ro membranes? I have...

Hey everyone, I just ordered the AquaFX Barracuda system and I'm pretty excited to soon have 0 TDS DI water for my reef. I've been reading about flushing the RO membrane every so often to get more life out of it. Is this absolutely necessary right away if my tap TDS is only ~80 ppm? Also I find...