$198.77* | iSpring RCC7AK, NSF Certified, 75 GPD, Alkaline 6-Stage Reverse Osmosis System at Amazon

MrShruggles

Apr 14, 2026 2:50 AM

730 Comments

Joined Aug 2019

MrShrugglesApr 14, 2026 2:50 AM

730 Comments

That filter shape sure is a choice.

1

thebattlefront

Apr 14, 2026 4:11 AM

149 Comments

Joined Oct 2015

thebattlefrontApr 14, 2026 4:11 AM

149 Comments

What is the TDS number of water coming out?

scuba1021

Apr 15, 2026 6:01 AM

557 Comments

Joined Mar 2012

scuba1021Apr 15, 2026 6:01 AM

557 Comments

Quote from thebattlefront

:

What is the TDS number of water coming out?

TDS readings will depend on the hardness of your water, but my TDS tester reads somewhere between 18-22 after treatment, which is really good considering the remineralization stage is adding back the majority of that. I have the 100 gallon per day version of this RO system (RCC1UP-AK), and I think it's the best bang for your buck RO system on the market. I upgraded to their 20 gallon tank (T20M) for less than $200 and I've never been low on RO water since. My local softener dealer tried to tell me their three stage RO system for 3x the cost was better but couldn't tell me why. One last thing, the company's customer service is amazing. I had a couple issues with a cracked filter housing because I overtightened, and they sent me a replacement housing no questions asked.

1

Xtremeth

Apr 15, 2026 6:03 AM

364 Comments

Joined Oct 2021

XtremethApr 15, 2026 6:03 AM

364 Comments

Seems similar to apec?

$198.77* | iSpring RCC7AK, NSF Certified, 75 GPD, Alkaline 6-Stage Reverse Osmosis System at Amazon

$199

$279

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