Question 1

What does this mean: "For each gallon of clean water, only 2 gallons of water are wasted"? Where does the wasted water go? How is this economical?

Accepted Answer

If your family drink 10 gallons of water per day. The waste water might equal to 10 flushes of your toilet.

Question 2

Where do I get replacement filters and which ones do you need to change and when?

Accepted Answer

Many online sources that sell RO systems. A search for the RO system itself will typically get you a list of a bunch of places that can also sell the filters. You can buy them thru Amazon in multiple versions.  Individually, 1 year pack, 2 year pack, 3 year pack. In a year some of the filters are recommended to be replaced twice, some once, etc. And the "pack" comes with the right number of filters for that period of time. Stage 1 (FP15) is a 10" sediment filter replacement recommended 3-6 months though in our house we have a pre-filter for the whole house so we don't replace this one as often. Stage 2 (FG15) activated carbon filter replacement recommended every 3-6 months. Stage 3 (FC15) CTO carbon block filter replacement recommended every 3-6 months. These three are in the 10" vertical tubes and are relatively easy to change. Stage 4 (MC1) is the RO membrane itself. Recommendations on replacing this are every two years but vary. We have a pre & post particulate monitor to help us tell when it's losing its effectiveness as this is the most expensive component to replace. Multi-year filter packs will include an RO membrane but a single year pack typically will not. Bear that in mind when looking at cost of 2 year vs. 1 year packs. Stage 5 (FT15) another carbon filter but post RO. Recommended replacement annual. Stage 6 the Alkaline filter that actually puts minerals back into the water. This is recommended to be replaced every 3-6 months. In my experience you will begin to taste when this one needs replacement. This stage is the reason I bought this particular RO system and I like the taste it gives to the water. IMHO it will diminish over time and give you some indication when it needs to be changed. If you search in Amazon under something like iSpring Filter Pack

Question 3

what is the sie of the hole required (in the granite slab) for the faucet?

Accepted Answer

I think there is some confusion with the answers here. I think people who are stating holes over one inch are referrring to standard size holes that are factory or site drilled., and are already there. The faucet has a larger than 1/2" excusion that should cover a larger hole. By all means if you need to drill your own hole, only make it 1/2", because that is all that is required.

Question 4

is there a difference between this brand and other brands like tap water master?  why is the price gap so dramatic

Accepted Answer

Since 2005, iSpring has brought the price of an average RO system down from $700 range. We bypass middlemen, sell direct online, cut advertising and live up with customers review by continuous improvements. We are doing what we want to do, that is, make clean water available and affordable to more people. We believe in long term value. So please let us know where we can improve, and write review to share your joy and experience. Thank you!iSpring Water Systems | (678) 261-7611 M-F 9-5 EST | sales@ispringfilter.com

ASIN	B005LJ8EXU
Amazon 売れ筋ランキング	ホーム＆キッチン - 352,356位 ( ホーム＆キッチンの売れ筋ランキングを見る ) 据置型・ビルトイン浄水器 - 99位
Capacity	75 gallons
EUスペアパーツの入手可能期間	3 年
GTIN (Global Trade Identification Number)	00662425038015
UPC	662425038015
おすすめ度	4.6 5つ星のうち4.6 (13,879) var
パック数	1
フィルターライフサイクル	12 月
ブランド名	iSpring
メーカー名	iSpring
メーカー型番	RCC7AK-BN
ユニット数	1.0 個
上限温度定格	97.8 摂氏
下限温度定格	40 華氏
動作圧力範囲	70 PSI
動力源	マニュアル(水圧)。
取り付けのタイプ	アンダーシンク
含まれるコンポーネント	RO蛇口
品目寸法（L x W x H）	40長さ x 13幅 x 48高さ cm
商品の入り数	1
商品の重量	12.5 キログラム
型番	RCC7AK-BN
容器の種類	ディスペンサー
支持される最大TDSレベル (ppm)	750
最大流動率	2 リットル/分
特殊機能	ミネラル再補給
精製法	逆浸透膜
素材	NSF/ANSI承認の材料コンポーネント。

RCC7AK

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