Question from P.S

We’re installing a butcher block counter top in our kitchen. Do you know of a product we can apply to protect and condition the wood? We thought of mineral oil, but you recommend against that in your book Home Safe Home. What do you suggest?

Debra’s Answer

I’ve been using a product called B’s Oil Salad Bowl & Wood Preserver, made by Holland Bowl Mill. It says right on the label that it is made only from natural oils and beeswax. I even called the company, who assured me it was “all-natural”.

We’ve been using it on our wooden salad bowls and cutting boards since I found it in a fancy San Francisco cooking store years ago. Just recently, we used it to finish the wooden top on a kitchen island we built. It really protects the wood water beads right up and we felt good having the beeswax around our organic food. It has no odor, except for the slight sweetness of beeswax.

The Holland Bowl Mill website says it has received many letters from customers telling them B’s Oil is so gentle that they use it as their favorite hand cream moisturizer.

So I was surprised to find out that it is actually made from beeswax and mineral oil! I had a long phone conversation with the owner and made sure he understood that you cannot label a product containing mineral oil as natural. I see he has changed the description on his website after our conversation.

I set out to find a truly all-natural wood conditioner for my wooden salad bowls and cutting boards, and discovered some interesting things even many woodworkers don’t know.

It is important to apply some kind of protection to wood cutting boards and bowls before using them the first time, to prevent staining and absorption of food odors and bacteria, and to keep water from penetrating the wood, which results in warping and cracking.

Add Comment

Question from S. J.

[This entry was transferred from the Q&A that was created before this blog existed. There are two questions and one answer.]

The company that services my a/c unit told me that our ducts weren’t sealed properly and it caused dust and mold in the attic to get into the ducts.

The recommendation is that we absolutely have to get the ducts cleaned with high pressure hot water and sanitized with a liquid antibiotic.

I have read some information about ducts cleaning that it was ineffective and dangerous.

Do you have any information you can give on this subject? Any safe alternative to what was recommended? And how would it affect our health if we don’t remove the mold from the ducts?

Thanks,

Debra’s Answer

Having the air ducts cleaned in your central air system is a relatively new service that is being promoted as part of central HVAC maintenance. The EPA has addressed this quite thoroughly on their website “Should You Have the Air Ducts in Your Home Cleaned?”. The site includes:

To evaluate whether or not you need to have your air ducts cleaned, first it’s important to understand how the air flows through your system. Air to be cooled or warmed usually enters the system through a large air intake vent, often placed in the central hallway of the home. The first thing that happens is that the air *goes through a filter*. If the system is working properly, little if any dust or mold will ever go into the ducts. If, however, ducts have not been sealed properly, dust and mold can get into the ducts and may need to be removed.

The EPA concludes most homes probably don’t need air duct cleaning and the cleaning may actually worsen indoor air quality.

Before getting your ducts cleaned, I would recommend getting a second and even third opinion. When we first moved to Florida and needed to get an air conditioner, the evaluations of what we needed and its costs were up to $10,000. Ultimately we found we could repair what we had by replacing part of the system for less than $1000 and it’s been working fine since.

As for the health effects of mold that may be present in your home…mold is ubiqutous–there is always a little mold in the air and on many surfaces. Molds can easily enter your home by circulating through doorways, windows, and, yes, HVAC systems. But mold spores in the air can also land on people and animals, who can bring them indoors as well. Mold only becomes a problem when it can proliferate because of excessive moisture. Unless you have leaky pipes, a roof that leaks during a rainstorm or other sources of excess moisture, you probably don’t have a mold problem in your home. For more on the health effects of mold, see

> EPA Mold Resources
> National Center for Environmental Health: Mold
> American Academy of Pediatrics: Toxic Effects of Indoor Molds

Add Comment

Question from S. L.

Greetings! And thank you so much for your valuable service.

Any tips for a non-toxic, odor free or at least low odor lubricant for household uses such as oiling door hinges and windows? Food oils go rancid and we would like to avoid petrochemicals if possible.

Looking forward to your response. Thanks.

Debra’s Answer

Use jojoba oil. You can purchase it at natural food stores or online from many sources. Just type “jojoba oil” into your favorite search engine and you will find many possibilities.

Many years ago I dated a man who sold air filters to people who were sensitive to chemicals. He used jojoba oil to oil the machines.

Add Comment

Question from S. M.

I read your tip about avoiding water stored in plastic containers. We’ve been using a Brita pitcher as an inexpensive solution for the water we drink at home. The problem is that the Brita pitchers are plastic. Is there an alternative that is comparable in cost?

Debra’s Answer

I think the answer to this question is no.

I looked at the price of Brita pitchers and they range in price from $10-$35. There just aren’t water filters in that price range that are very effective.

There are really two major concerns about Brita pitchers. I’m going to give you the data I was able to get so you can make your own decision.

First, you were concerned about the plastic. In answer to another question about Toxic Plastic Water Bottles, the plastic in question was polycarbonate. I called Brita and they told me that the plastic used to make Brita pitchers is either styrene acrilonytrile or styrene methyl metacrylate. These plastics are entirely different, and I don’t think they are safer. I’ve included some links at the end of this answer that talk about the health effects of styrene, but what I’ve learned over the years is that when you combine chemicals, their health effects change–for better or worse. I wasn’t able to find anything on the health effects of these specific chemicals. And the form of the plastic also affects how much it will leach. We know styrene leaches from styrene foam cups and fast food containers. Does it leach from a hard plastic water pitcher? I don’t know. Tests probably have never been done. My educated guess is that some kind of plastic is leaching from the container.

My other concern about these pitchers is whether or not they are removing pollutants from the water. They remove chlorine, but do not remove chloramine. So you need to find out if you have chlorine or chloramine in your water. If it’s chloramine, it’s not removing it. Most communities now have chloramine, so check and find out.

Brita filters are designed to remove lead, chlorine, mercury, and sediment. That’s it. If you don’t have these in your water, there’s no point in using one.

Add Comment

Question from S. M.

We are curious – what pillows do you sleep on?

Debra’s Answer

Organic wool pillows from Shepherd’s Dream. I have slept on cotton and feather/down pillows, but when I tried wool, I fell in love with them. :- We have the standard size bed pillows and also the wool neck rolls. I love my neck roll so much I carry it with me when I travel. Even though I don’t have back or neck problems, I just sleep better with that extra support.

Add Comment

Question from S. P.

I own a small janitorial company. My mother and my wife both experience symptoms of chemical sensitivity and over the past year I have been converting to all green products. I enjoyed your book on the non-toxic home and office. I liked the fact that instead of dwelling on negatives until the end of the book, you offer solutions right away to each issue.

In my business I have to strip and wax large floor areas, I have found some “green” products for this but many still contain up to 6% VOCs. Do you know of any truly natural alternatives for this?

Here are a couple of the companies I have found so far:

If you would like more info on the company I am working on please visit our site: All Green Cleaning.

Debra’s Answer

I took a look at the products you mentioned.

Coastwide Labs has a Sustainable Earth® Wax Stripper #83 that lists some hazardous ingredients on the MSDS, but then says that skin irritation is the only health hazard, which is minor. This product looks relatively safe for a wax stripper, but, as you say, has limited availability.

National Chemical Labs makes some interesting statements about how they are envrionmentally-friendly–fortunately they also give the Material Safety Data Sheets right on line for all of their products. They have a number of floor stripper products. All the MSDSs I looked at for them contained hazardous ingredients. Some of their other products, however, contain no hazardous ingredients. So it’s a matter of checking all the MSDSs to find the products with no hazardous ingredients.

There’s a company called Safe Source that makes a commercial-strength VOC-free floor finish and stripper. There are no MSDSs on the site, but it states, “The developer submitted its formulas to the relevant federal agencies, which determined on the basis of independent chemical evaluations that their cleaning products are not hazardous and therefore do not require [hazardous] labeling.” The site says the stripper is designed to work with their VOC-free finish. Contact them to see if it can be used with other waxes. You may need to use a more toxic stripper to remove existing wax, then you can use this finish and stripper.

You might also take a look at Green Seal Environmental Standard for Floor Care Products. Though there are no products listed, they do give guidelines for floor care products and a list of ingredients they do not approve, which would be easy to identify if they appeared on an MSDS.

Add Comment

Question from T. A.

We need black-out curtains for our baby’s room, but I can’t find all natural material. All have some polyester, or vinyl, in them.

Debra’s Answer

Readers ~

I tried to find all-cotton black-out curtains or even black-out fabric, to no avail. All contained polyester.

When I couldn’t find an all-natural solution for her, T wrote to me and said, “I suppose i’ll just leave the piece of black wool material that i taped to the window in place.”

I suggested that she have that black wool sewn into her curtain as a liner, and that’s just what she’s going to do.

Add Comment

Question from T. S.

I have recently heard that the capsules used to package vitamins and herbs are not good for you. Is this true? if so, what is a good alternative to getting the benefits of the these nutrients if not in pill form. It seems difficult when most of us have neither the time or resources for growing our own food.

Debra’s Answer

The capsules used to package vitamins and herbs come in different types.

A standard gelatin capsule is made from animal gelatin. This is a by-product of cooking the meat and bones. If you have ever made meat stock for soup, when you chill it, you will notice that it gels. Gelatin, whether sold plain, mixed with fruit flavoring and sugar to make a popular dessert, or made into gel caps is this same gelatin.

There are also vegetarian capsules with are made from plant based cellulose.

Both of these geletins are safe to eat.

The problem with gel caps is they may contain formaldehyde as a preservative.

The Organic Materials Review Institute–an organization that provides certifiers, growers, manufacturers and suppliers an independent review of products intended for use in certified organic production, handling, and processing–has a whole twenty-five page review of gelatin that tells everything you would ever want to know about what gelatin and gel caps are made of and how they are made, written in 2002.

Add Comment

Question from B. C.

Thanks to all your tips, my wife is really feeling much better with her MCS. In fact, we’re now carefully considering putting a tile floor where the carpet used to be in the bathroom adjacent to her bedroom. Using your recommendations we have found safe tile adhesives and grout sealers but we can’t find anything about safe grouts.

Can you recommend any products for a chemically safe grout and are there any problems to watch out for in the cement board underlayment materials?

Debra’s Answer

Grouts can have additives that that can off-gas.  Safer brands include Mapei and Summitville-700.

The standard cement board underlayment is fine. Two brand names we have used are Hardibacker and Durock. There is also Wonderboard, which was the first product of this kind.

Question from R. G.

I was wondering if you know of a safe nontoxic garden hose, one that doesn’t leach any toxic chemicals or plasticizers into the water?

Debra’s Answer

All garden hoses are made from either polyvinyl chloride “PVC” or “vinyl”, rubber, or a combination of the two.

Vinyl hoses are the least expensive but also the most toxic, both in use and in manufacture. A number of environmental groups have called even for the banning of PVC because of the environmental effects of its manufacture. And PVC can leach vinyl chloride, which is carcinogenic. How much vinyl chloride ends up in the water as it is rushing through a hose? I don’t know. Probably more leaches into the water sitting in the hose in the hot sun. For that reason, it’s probably a good idea to empty the hose after you turn off the faucet.

As far as I can tell, rubber garden hoses are made from natural rubber, the milky latex of the Hevea tree more about obtaining latex from the tree Though it starts out from a renewable plant resource, by the time it is processed it is anything but natural.

Many chemicals are added to natural latex to improve performance, making natural rubber latex suitable for use in the manufacture of rubber products. Chief among them are chemical accelerators used to speed up the manufacturing process, vulcanizing agents, reinforcing agents, filler, pigments, blowing agents and more some exact chemical names In terms of toxicity, the most dangerous health effect I found was skin allergy.

Whether or not the chemicals in natural rubber hoses leach into the product water and what their toxicity may be, I don’t know. Though rubber hose is heavier and more bulky, it is your best buy for durability. Sears says their Craftsman Rubber Hose is the last garden hose you will ever need to buy. Rubber hose is also more pliable and coils more easily in cold weather than vinyl hose.

Rubber hoses are easily available. In addition to Sears, both Lowe’s and The Home Depot carry rubber garden hoses, and most good nurseries will as well. Rubber hoses say “rubber” on the label. If no material is specified, it’s probably vinyl.

Updated 2019: If you are still using a garden hose that may be made with PVC or have lead-containing metal fittings, check out this study by healthystuff.org. It’s a bit out of date but it still provides great guidance. Debra’s List recommends Water Right hoses and Terrain Heritage hoses.