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Old 06-18-2017, 12:02 PM   #1
Moonfish's Avatar

City: Port Townsend, WA
Country: USA
Vessel Name: Traveler
Vessel Model: Cheoy Lee 46 LRC
Join Date: Nov 2011
Posts: 1,121
Best exterior in-line water filter?

We're heading back up to the Broughtons in a few weeks and we want to be able to pre-filter water. Last time there were a couple places had "rust colored" water and it was recommended to filter it prior to filling our tank.

Which in-line filters do you use?

Port Townsend, WA
m/v Traveler - '79 Cheoy Lee 46 LRC
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Old 06-18-2017, 12:26 PM   #2
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City: Between Oregon and Alaska
Country: US
Vessel Name: Charlie Harper
Vessel Model: Wheeler Shipyard 83'
Join Date: Jun 2016
Posts: 1,866
If taste is also an issue, use a 3 filter set with a 1 micron sediment, CTO, and GAC. Housings and a set of filters about $60-80 on Ebay for 10x2.5 filters including shipping.
Sometimes if you let the dock water run for a couple minutes, the rust (from water sitting in old galvanized lines) will flush out.

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Old 06-18-2017, 12:32 PM   #3
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City: JAX, FL
Country: USA
Vessel Name: Hobo
Vessel Model: Krogen 42-120
Join Date: Nov 2008
Posts: 8,883
We use a 10" KX Matrikx +CTO/2 Carbon Block 32-250-125-975. Watch your flow rate so you don't get blow by. I believe they're rated for less than 2 gpm.
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Old 06-18-2017, 02:26 PM   #4
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City: Maryland
Country: USA
Vessel Model: 42' Sportfish
Join Date: Aug 2013
Posts: 5,167
We use two filters in line
- Pentek DGD-2501 dual-gradient (25/1 micron)
- Pentek FloPlus-10 carbon block (.5 micron)

Filter housings from Pentek, GE, etc.

Happens we order all that stuff from, but mostly because we get all our household filters from them, too -- sediment, drinking water, vacuums, etc. -- so it's just easier... and their prices seem OK anyway.

I have quick-snap fittings on primary hose and first filter housing, interconnector, second filter housing and secondary hose... so everything snaps together in about 30 seconds.

Just saw an ad for a new drinking water filter from Forespar, but they didn't bother to answer my e-mail questions... so I don't know yet whether I'll fool with that or not.

South River, Chesapeake Bay
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Old 06-20-2017, 03:09 PM   #5
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City: DC
Country: USA
Vessel Name: Carolena II
Vessel Model: Nordic Tug 32/34
Join Date: Aug 2012
Posts: 632
Our marina has well water, so we use a simple Camco RV inline filter on our dedicated fresh water tank hose. Have been doing so for a number of years with no issue. We replace once each season, or sooner if we see any reduction in waterflow. Not necessarily the best price, but this is what we use:
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Old 06-20-2017, 04:37 PM   #6
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City: Birch bay wa
Country: USA
Vessel Name: Rogue
Vessel Model: North Pacific 42
Join Date: Feb 2013
Posts: 624
We use a large sediment carbon filter.
Water tastes good but the tannin color remains.
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Old 06-20-2017, 05:24 PM   #7
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City: Sarasota/Ft. Lauderdale
Country: USA
Join Date: Apr 2014
Posts: 5,438
I use these a lot.

I put together a pair. One with a sediment filter in it and one with a charcoal filter in it.
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