Baffles for water tank

Sinatorj

Member
I am looking into putting a sink inside my 170" ext and have a 30 gallon tank and frame that I am going to put inside. Use factory tie down points and bolt 80 20 frame to wall. My question is baffles, ballast, whatever would be the correct term for displacing water in some manner as not to slosh too bad. Whatcha got?
 

Kajtek1

2015 long/tall limo RV 2.1l
Most of bigger RV tanks have some kind of cross member inside.
That the main reason for it to stop big tanks from ballooning, but slows the sloshing as well.
Than when it slosh, so what?
 

tinman

Active member
I don't think it's a big issue in a tank that size if it's properly secured.
 

Kajtek1

2015 long/tall limo RV 2.1l
A left to right mounted tank under 40 gallons probably doesn't need baffles. A front/rear mounted tank will probably need some, as braking forces are significant.
In my previous RVs I did have 100 and even 120 gallons tanks, including diesel tanks and per my observation none of them had baffles.
Only issue I had was Bounder motorhome, who had 120 gallons tank side to side. So when running out of fuel I pulled over on angled shoulder, it took like 15 gallons of gas to reach pump pickup.
 
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Ulter

Member
These were the non food grade Juggs balls that I later replaced with food grade Wiffle balls. The 200 bright green non food grade Juggs balls are now being used by a SoCal elementary school.

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Great but most of us use prebuilt water tanks that do not have access ports that large. Are there “baffle balls” that fit inside a 1 1/2” hole?
 

gltrimble

Well-known member
Great but most of us use prebuilt water tanks that do not have access ports that large. Are there “baffle balls” that fit inside a 1 1/2” hole?
My tank is also a standard tank with 1.5” and 1/2” holes. I added the 8” access port using a jigsaw. Access ports are available in a variety of sizes. I added a 6” port to my gray water tank to make cleaning it easier.

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SEAFLO 4" - 8" Black Circular Non Slip Inspection Hatch w/Detachable Cover https://www.amazon.com/dp/B076TBVNYL/ref=cm_sw_r_cp_api_i_tnz0EbAR6W16H
 
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