LiquaGen 4 Stage Reverse Osmosis and Deionization (RO/DI) Portable Space Saver Water Purification System | Water Filtration System for Aquarium Filter Processes + Manual Flush Valve (100 GPD)

****One warning. Check your water pressure at home (device is about 5 bucks). If it's 40 or below you will need to request a low pressure membrane. I had to resolve this through the company after the fact because there is no way of knowing in the amazon description. The good news is that you don't have to buy the highest pressure model (150gph) since the low pressure membrane is only about 75gpd anyways. So if you're pressure is lower purchase the cheapest 75gpd unit and ask for low pressure membrane. I've been using this for maybe 6 months and it works very, very well. This is for fish tank purposes. The water measures zero nitrates. The price is awesome compared to similar units out there. I've been trying to measure the ratio and it does seem about 4-5 waste to 1 clean water. This device is versatile. You can take outside in the summer and work off outdoor hose connection if you choose. It can also be connected to inside faucet (as long as it's screw in diffuser). I had to buy an adaptor from home depot to make mine work but it's worth it. The best part about the purchase is that the company answers the phone (owner I think) and he took care of any issues immediately with no hassle whatsoever. I rate this company as top notch seller and would not hesitate to purchase from them again.

Eight months in and still producing excellent RO water. I use a TDS meter to test. I've been using it to top off my fish tanks and to create RO water for my humidifiers. I have excellent water pressure, but it does take a while to fill the 7-Gallon and 2.5 Gallon containers I keep on hand. I've only been using it about every one or two weeks to fill up the containers.

Very good product in all respects. Gast delivery. Very giod performance. Well packaged, documented, productions, parts oackage and customer service including quality control is above average. I would and will recommend to everyone- if only all transactions were so smooth- lastly this is completely unsolicited praise so you can buy with comfidence

I had the 50gph RO Buddie and it was sloooow. The water comes out in droplets, pretty much. So, I wanted to upgrade to the 100gph and get the DI function as well but the 4-stage 100gph RO Buddie was out of stock. I decided to gamble on this one even though I've never heard of this brand because it looked like it's basically the same thing. Once I got it and compared it side-by-side with my RO Buddie, it's definitely the same thing just with different stickers and colors. It definitely flows at least twice as much as the 50gph, just as advertised.

Works great, but is very slow. I purchased this for home brewing and just made about 12 gallons of water. The flow is incredibly low, but if you have a way to drain the wastewater, without having to do a lot of work, just set it and forget it. Come back later and check on the collected RO water periodically. It suits my needs, but it does take a long time and some advance planning is necessary for brew day. I had no issues hooking it up and zero leaks. Plug and play.

Did a big water change in a 135 gallon tank and wow. I had always been lucky with tap water and not having to much problem with algea in my saltwater tank until two months ago. After day two my corals seemed to be happier. Great product for the price.

Does the trick. I tested the filtered water and it works as expected. Not the quickest, but still works well.

THE FILTER WAS PREASSEMBLED. ALL I HAD TO DO WAS INSERT A TUBE INTO A FITTING. I ATTACHED IT TO MY OUTSIDE SPIKET AND HAVE FILTERED 35 GALLONS SO FAR. TESTED THE WATER OUT OF MY SPIKET AND IT TESTED 30 TDS AFTER FILTERED IT TESTED 0 TDS. I CANNOT COMPLAIN ABOUT THIS SET UP. ABOUT AN HOUR AND A HALF FOR A 5 GALLON BUCKET.