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Old 10-06-2015, 02:45 PM   #11
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Originally Posted by Tango View Post
Just for the record...Black ABS tanks don't make the water taste like plastic and are naturally anti mold/fungal. They can also be fitted or repaired more easily than the white poly which cannot be glued successfully. Harder to find but make a world of difference in the water quality on the fresh water side.

I've found the blackwater side tastes funny no matter what it is in.
Maybe the funny taste and the anti mold/fungal are effects of ethylene glycol contamination, rather than coming from the plastic?

Definitely right about ABS being solvent weldable whereas polyethylene isn't.

I had never heard of ABS having any inherent anti mold/fungal property. Did you make that part up? Anecdotal evidence does support the claim: every time I've cut open an ABS drain/sewer pipe, I've not found fungal growth inside. Didn't taste it, though.
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Old 10-06-2015, 03:11 PM   #12
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Valterra, who is one of the leading ABS tank makers claims "100% algae free" in there adverts. Of course, we all know advertising claims are always "100% true"...but...
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Old 10-06-2015, 03:15 PM   #13
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Quote:
Originally Posted by Tango View Post
Just for the record...Black ABS tanks don't make the water taste like plastic and are naturally anti mold/fungal. They can also be fitted or repaired more easily than the white poly which cannot be glued successfully. Harder to find but make a world of difference in the water quality on the fresh water side.

I've found the blackwater side tastes funny no matter what it is in.
I'll keep that in mind.
Fortunately no blackwater on my bus so I won't mix them up... lol
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Old 10-06-2015, 03:57 PM   #14
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Algae-free makes sense. Algae requires light for photosynthesis; it won't grow in a dark place. An opaque ABS tank would surely have the advantage over translucent polyethylene in the algae department.
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Old 10-06-2015, 05:21 PM   #15
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Spoken like a science major! Had not thought of that angle.
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Old 11-21-2015, 02:46 PM   #16
Mini-Skoolie
 
Join Date: Oct 2015
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For what it's worth, fiberglass/plywood tanks are a very common thing to do in boats - for potable water, waste, and even diesel.

https://www.boats.com/reviews/build-your-own-fiberglass-potable-water-tank/

And obviously boats move and vibrate and have to deal with the shock load from hitting waves, etc.

This is also what I'm planning on doing for my grey and potable water tanks.

...At least, once we actually find a bus.
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Old 11-29-2015, 10:52 AM   #17
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I am planning on using a flexi tank www.ahoycaptain.com/plastimo_16657.html Used in boats as well. When you lift the floor up you should have ample space for the tank as well as to build a support around it.
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Old 11-29-2015, 11:33 AM   #18
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Originally Posted by Josiahdr View Post
I am planning on using a flexi tank www.ahoycaptain.com/plastimo_16657.html Used in boats as well. When you lift the floor up you should have ample space for the tank as well as to build a support around it.
I'm considering those too. My concern is that by the time you buy two of those and build a frame to enclose them, you're probably at the cost of a plastic tank anyways...
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Old 11-29-2015, 12:04 PM   #19
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Ya at the end the cost will be some what the same. For myself they will work great as I will already building a frame around our bed so that we can place a false floor over it and plan to fit the flexi tanks on the sides between the bed and wall.

I also saw one used in a tiny house and it was hid underneath the couch @4:20 into the video is where he shows it. I also kicked around that idea but would rather have that space for other items.
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