| Name: |
Hawks Nest
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| Subject: |
Mildew inhibitor
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Date:
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9/8/2012 2:14:29 PM
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Anyone had experience using Zep Clear Shell Mold & Mildew Inhibitor. Found this at Lowes. Active ingredient is Chitosan (a byproduct of crab shells). Contains no bleach. Says it's safe for everything. Thought maybe this is my answer to my occasional mildew problem on my boat vinyl.
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| Name: |
GoneFishin
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| Subject: |
Mildew inhibitor
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Date:
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9/8/2012 4:59:21 PM
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I Googled it and suggest others do the same. It appears to be a new product...maybe a year old. The instructions state to clean the surface with the product and wipe it dry. The sprary the product and let it dry on the surface. Certainly is worth trying.
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| Name: |
MrHodja
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| Subject: |
Mildew inhibitor
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Date:
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9/8/2012 6:10:47 PM
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Read carefully to determine if it is a mildew remover and preventer, or just a preventer. I have seen products that claim to do one or the other but not both. Some will form a protective layer, but are effective only if the mildew underneath has been completely eradicated.
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| Name: |
Lifer
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| Subject: |
Mildew inhibitor
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Date:
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9/8/2012 7:11:16 PM
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The only mildew remover that works 100% of the time is sodium hydro-chlorate or sodium hydrochloride! And contrary to popular myth, it will not 'eat' the the threads in your upholstery. It will however remove any UV protectant that you have on the vinyl so you need to re-apply. Personally, I think 303 is the best UV protector.
I went to Home Depot one day and looked at all the Mold/Mildew removers on the shelf. EVERY one of them had the same active ingredient, sodium hydrochloride in varying percentages. If you don't believe me, check for yourself.
For those that haven't figured it out yet, sodium hydrochloride is the dreaded bleach. Mix about a 10% bleach and water solution with a little Dawn. Wet, wipe, rinse well. Re-apply 303. No more mold. Always make sure the boat is completely dry before covering is the best preventative you can use. If you cover the boat wet, NOTHING will prevent the mold.
Many will disagree with me. That is fine. They are free to ride n moldy boats...lol.
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| Name: |
MrHodja
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| Subject: |
Well,
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Date:
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9/8/2012 8:07:54 PM
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I believe that the proper chemical name is sodium hypochlorite. The "hypo" and "ite"modifiers simply relate to free chlorine ions that are mildew's worst enemy. Free chlorine is an oxidizer that, to make a parallel, turns iron into rust and mildew into "toast".
Another treatment for mildew that is (in my opinion) less effective is a combination of water, ammonia, and hydrogen peroxide. The peroxide is also an oxidizer that readily releases free oxygen ions, which in turn put the whammy on mildew. However, that treatment, while much easier on the treated material, just isn't as effective as hypochlorite.
My observation is that vinyl tolerates hypochlorite relatively well, but one needs to be careful about soaking the stitching, else the thread will, over time, also become oxidized, weakened, and fail.
OK, so I never used my chemistry degree in real life, but random bits of the knowledge has been retained over the 45 years since I last studied it, and seeps through every now and then...
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| Name: |
Samdog
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| Subject: |
Well,
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Date:
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9/9/2012 12:09:16 AM
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So is the peroxide less dangerous on the stitching?
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| Name: |
Osms
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| Subject: |
Mildew inhibitor
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Date:
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9/9/2012 9:22:18 AM
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Agree that the boat must be completely clean and dry before covering. Two things I do that have worked well over the years. Clean the upholstery with something like 409 to remove skin oil, suntan lotion, etc., then spray on Clorox Cleanup, let stand about 5 minutes and wipe dry--don't rinse off, dry with a clean towel. Then I put on the regular boat cover, AND put a blue poly (Walmart has the best price) over the boat cover. Boat covers do not prevent rain from penetrating, the blue poly will. Blue poly will usually last two winters. Upholstery of my 1996 boat looks just like new.
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| Name: |
MrHodja
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| Subject: |
Well,
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Date:
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9/9/2012 9:55:37 AM
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Yes, I believe that to be the case.
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| Name: |
Lifer
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| Subject: |
Well,
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Date:
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9/9/2012 12:16:20 PM
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You are right. Chalk it up to brain f@rt again. For anyone that thinks bleach will destroy the stitching, I simply tell them to go wash a load of whites with bleach. Each and every piece that goes in will come out. Rinsing is the key. And besides that, many manufacturers have switched to a nylon thread equivalent to fishing line.
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| Name: |
Lifer
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| Subject: |
Mildew inhibitor
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Date:
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9/9/2012 12:21:50 PM
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Good point about the tarp. I assumed everyone did that unless storing inside. I am little surprised that you didn't mention ever using UV protector though. Maybe I waste time an money using it, but I believe in it. I have also sprayed old playpen covers with UV protector and extended their life for several years. If one has started to grey, a good coat of UV spray will put color back in it.
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| Name: |
houseboat
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| Subject: |
Mildew inhibitor
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Date:
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9/9/2012 1:39:40 PM
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Never mix Dawn with bleach. It is very dangerous to your lungs.
I recommend Jomax mixed with bleach as directed.
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| Name: |
Hawks Nest
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| Subject: |
Mildew inhibitor
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Date:
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9/9/2012 3:40:40 PM
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Today I cleaned and applied the crabshell juice as directed. I will report back in two weeks as that's about how long it took to grow mildew before. Also used on a door in my basement where mildew grows.
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| Name: |
Hawks Nest
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| Subject: |
[Message deleted by author]
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Date:
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9/9/2012 3:40:41 PM (updated 9/9/2012 3:40:59 PM)
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| Name: |
Lifer
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| Subject: |
Mildew inhibitor
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Date:
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9/9/2012 3:49:47 PM
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Bleach and ammonia, THAT'S whats bad for your lungs and any other organ for that matter. Anybody know what that makes? Maybe Hodja can will tell you.
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| Name: |
MrHodja
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| Subject: |
Mildew inhibitor
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Date:
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9/9/2012 7:53:50 PM (updated 9/9/2012 7:56:22 PM)
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Mix bleach and ammonia, sniff the results, and you stand the risk of becoming daisy fertilizer.
I forget the name of the primary offender but one of the byproducts could be hydrazine, which in its pure form helps push our rockets into orbit.
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| Name: |
roswellric
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| Subject: |
Well,
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Date:
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9/10/2012 10:45:17 AM
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Actually it's a reducing agent not an oxidizing agent. Just a little confusion of ions. I didn't use mine either but at least you can pull out stuff like that after a couple of beers and startle your friends. :-)
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| Name: |
MrHodja
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| Subject: |
Well,
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Date:
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9/10/2012 11:16:11 AM
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Yes, like drawing a ferrous wheel and methyl ethyl chickenwire (series of connected benzene rings with a CH3 and a C2H5 hanging off it).
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| Name: |
Lifer
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| Subject: |
Cyanide gas?
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Date:
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9/10/2012 12:13:18 PM
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That what I was told it made. Also watched something on the death penalty once and learned that he old gas chambers were simply a bucket of ammonia and then a chlorine tablet was lowered into the bucket to create the deadly gas. Supposedly if the guards liked you they would tip you off to take several deep breaths so as not to suffer as much. Kinda like in old Europe when it was common for the family to to tip the executioner to 'make sure the blade fell true on the first swing'. Of course the Guillotine took care of that issue.
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| Name: |
MrHodja
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| Subject: |
Cyanide gas?
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Date:
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9/10/2012 2:03:22 PM
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Below is a link to a pretty comprehensive article on the subject. Bottom line is that it is not smart to mix the two.
URL: Products Formed by Mixing Bleach and Ammonia
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| Name: |
houseboat
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| Subject: |
Mildew inhibitor
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Date:
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9/10/2012 11:26:31 PM
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Again, ..Please do not mix Dawn and bleach. I got neumonia a few years ago from spaying it on sidings and was told at the time the combination was poison. I have been using Jomax for years without a problem.
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