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Defiant37 05-04-2019 10:11 PM

Black water tanks
 
Does anyone know where I can get a custom poly black water tank built?

chef2sail 05-04-2019 10:44 PM

Re: Black water tanks
 
Quote:

Originally Posted by Defiant37 (Post 2051600070)
Does anyone know where I can get a custom poly black water tank built?

Check out Ronco they can.....but they also have a lot of different sizes and shapes already molded

https://ronco-plastics.com/newRonco/about.php

chicory83 05-04-2019 11:13 PM

Re: Black water tanks
 
https://www.plastic-mart.com/

I had a good experience with these guys.

Minnewaska 05-05-2019 09:24 AM

Re: Black water tanks
 
I had mine custom made by Triple M plastics in Maine. Great job. Excellent service.

Triple 'M' Plastics

rocullen 05-06-2019 01:40 AM

Re: Black water tanks
 
Another vote for Ronco Plastics. I got mine from them. Good quality and very reasonable price.

hellosailor 05-06-2019 04:06 PM

Re: Black water tanks
 
All of the above--and if you have any option, go for the heaviest wall construction they offer, to prevent odor problems long term. If you can get it set up with two vent fittings. If one goes to the bow and the other to the stern, there's always a pressure differential and a breeze running through the tank, which oxygenates things and pretty much ensures you won't get odors.

Antibes 05-06-2019 05:20 PM

Re: Black water tanks
 
I found trionic corp useful for having tanks in non standard shapes that do not have to be custom made. Moved my tank to under the vee berth years ago.

chef2sail 05-06-2019 08:07 PM

Re: Black water tanks
 
We did same and have an unusual shape, and Ronco had many different types.

Aeration and good quality hoses are the keys to keeping the smell away. We had an extra vent hose fitting put in the tank and have two vent holes on either side of Haleakula. The aerobic organisms are the good ones in the tank, try not to put additives in which will kill it.

Also if you can, have an inspection/ clean out hatch put in for obvious reasons. Ours is 8 inches and large enough to reach in. While it an unpleasant thing to open it and use it, it is much easier than having to remove the whole tank should an issue occur.

Many claim to be good hoses. I like the Trident green stripe.

Peggy Hall is the guru to read on this topic. Your sanitation system is important, as one which doesn’t work, well makes it smell...can’t sleep and every cushion smells like effluent.

fallard 05-07-2019 08:53 AM

Re: Black water tanks
 
Another solution might be a flexible tank if your available space is too awkward for an affordable, custom made fixed tank. There is a difference in odor permeation with a flexible tank, so you need to make sure it is waste-rated—certainly not PVC.


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