Advice for maintaining septic systems

I have two rental mobile home with septic tanks and drainfields that are 30 years old, and that I have had pumped pretty regularly.
I have been told that adding enzyme treatments such as "Bio Clean" can be beneficial.
    1. Which treatments seem to be good?
    2. How often should I use them?
    3. Which drains should I treat?
    4. Do you have other suggestions for maintaining systems like this?
Thank you very much in advance. I really appreciate all the help I have had from this list in the past.
Dwight Gibb
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Dont know how much the enzyme additives help as much as put tting the wrong kinds of cleaners in them hurts. Bleach is bad and some of the cleaning tablets you hang in your toilet tank are nothing but bleach.
Jimmie
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On 3/3/2012 3:06 PM, Dwight wrote:

I think if you pump it out on a regular basis and don't allow stuff that doesn't break down easily to get flushed down the drain you are doing the best you can.
I have heard of drain field failures due to soil that can no longer absorb after 20 - 30 years of use. I've seen metal tank tops fail. I've heard of poor quality concrete tanks failing after 20 - 30 years. Some areas now allow "plastic" tanks.
I have neighbors that have never pumped their septic system out in 20 years. They should have sticker shock when that puppy implodes.
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Dwight wrote:

The bacteria that get to the tank naturally will eat up everything as long as it is edible. Avoid plastics, chemicals, hair pins...
--

dadiOH
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Dead or alive?
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When persons refer to "raw", it typically means.....
C'mon, fellow, use some common sense!
Christopher A. Young Learn more about Jesus www.lds.org .

Dead or alive?
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I'm a cowboy On a steel horse I ride
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On 3/3/2012 3:06 PM, Dwight wrote:

The enzymes are money down the drain. All I've read say they are worthless.
My system is over 35 years old and functions perfectly.
I have it pumped about every 4 years but probably could do with less since there are only the two of us now that kids are gone.
Rule of thumb, is don't put anything in septic that could go in the trash. If you blow your nose, the tissue should go in trash, not septic. Toilet paper is made to break down more readily than other papers. Same for cigarette butts - use ash tray and trash.
Minimal use of garbage disposal and keep out fats and oils.
Don't dump a lot of chemicals, like bleach, into septic system. You don't want to kill the bugs that digest the waste.
Our pumper said liquid wash detergents have less build-up than solids.
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sugar, dog food, cat food, no raw vegetables
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I remember from way back, people used to flush bakers yeast down the toilet. Yeast breaks down carbohydrates. And starches. Helps cut down on the solids in the system. Other people say "feeds the bacteria".
Have you DAGS? http://tinyurl.com/853sn3s
Christopher A. Young Learn more about Jesus www.lds.org .
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"Feed the bacteria" fits with what I was told by a septic tank specialist (and also a man of very few words). He said, "Keep your bugs happy."
Tomsic
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What's the matter, harry, worried they'll use you next?
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