Reddit reviews Express Water Reverse Osmosis Water Filtration System – NSF Certified 5 Stage RO Water Filter System with Faucet and Tank – Under Sink Water Filter – plus 4 Replacement Filters – 50 GPD, Model:RO5DX
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Reverse Osmosis Water Filter: Experience what water should taste like with the Express Water reverse osmosis water filtration system removing up to 99. 99% of Lead, Chlorine, Fluoride, Nitrates, Calcium, Arsenic, Bacteria, and moreWater Purification System: Drink the healthiest water on Earth. All our water filters are specially engineered to work together, producing the safest and best tasting water you’ll ever drinkUnder Sink Water Filter: Don’t waste money on professional installation. Express Water’s quick and easy-to-understand design means you can install and understand everything about your new water filtration systemQuality : Rest easy with our 1-year on all Express Water Reverse Osmosis Water SystemsUnder Sink Water Filter System: No need to mess with refilling or activating your water filter, Express Water’s water filtration systems automatically fill your water tank with high quality drinking waterLeak Detection: Each under sink water filter includes an emergency leak stop detector that shuts off water flow when it detects unwelcomed moistureCustomizable RO Water Filter System: Express Water home water filtration systems are fully upgradable and customizable with quick connecting fittings. Try additional filtration attachments including UV Water Filter, Alkaline Water Filter, Deionization Water Filter, and moreOn Demand Support: Support from experts who can answer any of your questions about your new water filterHelp Has Arrived - Support from experts who can answer any of your questions about your home’s waterLove your water - Environmentally friendly coconut carbon filters give unequalled quality and a clear natural taste
Almost all the "bad" tasting water is caused by extra metals or minerals, and almost always is harmless. Most of the time it's from water that is sourced from underground aquifers that tastes "bad". You're right: A brita (activated charcoal) can remove most of the nasty taste.
If you really, really want to make clean, use a reverse osmosis filtering system (that one seems a bit over-the-top).
RO filters are tl;dr'd as: Use a pump to force water through a series of filters / membranes and reject the stuff that doesn't make it through.
You could probably add a Reverse Osmosis filter with a tank under your sink, with a Deionizing stage for even more pure water, and then add an alkalizing stage at the end of line for taste and minerals being put back in the water. Something like this https://smile.amazon.com/Express-Water-Reverse-Osmosis-Filtration/dp/B00J2DGTD8
As you can see, there are lots and lots of versions and sellers, and are basically all the same setups just with different cartridge combinations/costs, but they all take the same filter cartridges, so brand doesn't matter much in the end.
One disadvantage is that it sends 3 gallons of waste down the drain for every gallon of pure water you get, on average, but if your municipality doesn't suck that water isn't really "wasted," but it can get expensive if you pay a lot for water. Can't beat RODI water for purity, though
I use this 5 stage filter with my crappy tap water. Works great and is going on a year on its second set of filters without any sign of slowing down.
Whatever you do, I recommend getting a cheap chlorine test kit and TDS meter to spot check the performance of your filter over time.
There's a lot of things the LifeStraw won't catch (any dissolved chemicals, fluoride chloroform etc.), but it is a very good start.
Reverse osmosis is about as pure water as you can get without distilling. One of these under the kitchen sink would be great if you can swing it (water that you cook with is always overlooked):
https://www.amazon.com/Express-Water-RO5DX-Drinking-Reverse/dp/B00J2DGTD8
And get one of these for your shower:
https://www.amazon.com/Replaceable-Cartridge-Handheld-Removing-Chlorine/dp/B01M2C2MB6
I bought this about 4 months ago. I am very pleased.
5 Stage Home Drinking Reverse Osmosis System PLUS Extra Full Set- 4 Water Filter https://www.amazon.com/dp/B00J2DGTD8/ref=cm_sw_r_other_apa_cJ6KxbH6GT8E7
A permanent faucet filter such as: (https://www.amazon.com/gp/product/B00J2DGTD8/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1) is overkill but was surprisingly easy to install and you can't put a price on piece of mind.
^ Basically this.
I bought this Reverse Osmosis system:
http://www.amazon.com/Drinking-Reverse-Osmosis-System-Water/dp/B00J2DGTD8
While it may seem expensive, prices have dropped about in half in the last 5 years. It's also great for drinking-water, cooking, coffee, tea, aroma-vaporizers, water tooth-flossers, and more.
If you do purify water, beware that many nutrient formulas are designed for tap-water, which contains calcium and magnesium. So you'll probably want to either get nutrients designed for R.O. or supplement the Ca/Mg. Tap water also contains chlorine, and chloramine which is bad for the roots. Flouride is also not healthy. Or if your water-provider happens to fuck up (see: Michigan), you have an extra layer of safety.
My current hydro system is DWC, about 50 gallons capacity overall. I'd estimate I use about 16 gallons of water per week. The only down-side of my (current) R.O. system is that it fills at a rate of about 2-gallons per hour & the reservoir is 3.2 gallons. So my Saturday often has an timer every hour to refill another 2 gallons. Once I move, I intend to get more storage tanks, or possibly an additional RO system.
To make R.O. Systems more efficient and faster, you can attach a pump to the inlet side.
Anyway, highly recommend reverse-osmosis.
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edit:
I also modified a water pitcher; which is about 2 gallons. (1) I drilled a hole in the handle to make filling easier, (2) cut off the front for pouring, (3) and another hole at the water-line because I've forgotten it several times and had water spill all over the floor.
http://i.imgur.com/G2qSew6.jpg