Fighting acid with acid --Who knew?
11 years ago
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Acid or alkaline?
Comments (9)Hi; I have never tried either of these things with my plants. However, I am a chemist, so here's my $0.02. I would be very careful adding hydrogen peroxide to plants. It is a strong oxidizing agent - this is why it can be used to bleach hair or as a disinfectant. It might treat root rot by killing bacteria in the soil, but at too high a concentration it could damage the roots. Hydrogen peroxide spontanteously degrades to produce liquid water and oxygen gas. 2 H2O2 (l) ---> H2O (l) + O2 (g) I don't know if plant roots can take up oxygen directly from the soil like this. Does anybody know? Hydrogen peroxide also acts as a weak base (alkali), but at the concentration you mentioned, I don't think it will have very much effect on the pH of the soil. Commercial hydrogen peroxide is approximately a 3% solution - if you are diluting 4 oz to a gallon (128 oz), that makes a 3% solution of the original solution. 0.03 x 0.03 = 0.0009% hydrogen peroxide given to the plant. This small concentration is unlikely to harm your plants, and you are clearly doing something right if they are healthy. Why not do an experiment? Get 3 cheap violets from the grocery store, keep them under the same conditions, and test these things out. Give one only water as a control, give one hydrogen peroxide, and the other one coffee grounds. Then you can see if they grow differently. I'm sure the results would be interesting. Good luck! Rachel...See Morereducing acid when cooking with home canned tomatoes
Comments (28)come to think of it ... Linda Lou's time frame is about when I decided home canned tomatoes didn't taste as good as commercially processed. I thought it was because my Dad died and I had to go out and buy tomatoes that just wern't as good as his (maybe it was the Georgia red clay they grew in). But we must have started adding acid about that time. My mom was active in the county extension service, so she'd have picked up on that recommendation. She actually canned (as in metal cans). There was a large state farmers market nearby and they ran a small canning factory. You could go buy fruit and veggies picked early that morning, sit down and prepare them with your friends and come back later and pick up the finished cans. They must have had some labeling problems, cause toward the end of the season we had quite a few "mystery" cans. Dinner tonight is a surprise....See MoreAcid or alkaline?
Comments (2)Sorry Michelle, wrong place for your question :-) This forum is for the discussion of violets, plants of the genus Viola. There is a separate forum covering African violets -> http://forums.gardenweb.com/forums/afrviolet/....See MoreAcid Bath vs. Acid Wash
Comments (25)Hi Goldenbeach-- Yeah-- they're pretty much making it up. While this may be an industry practice, it is not the manufacturer's recommended procedure. Check this out. I found similar instructions online for your product, coincidently when I did the search for mine. Again, recommending acid wash and some other very specific instructions during the application process. I will go back and see if I can find that link and post it for you if you don't already have that info. Here's for the product we used: http://www.aquavations.com/docs/CS%20Product%20Data.pdf I previously read this but had to research it again to find the document. I asked the construction manager if they were going to do an acid wash, and was under the impression they were going to do it per manufacturer's recommendation as stated in the document in the above link. I knew I would have to "gently brush" for "about 2 weeks" and was also told I couldn't use the heater during that time. No problem considering we were doing this in mid-September due to many (unnecessary) delays. If I were a violent type (which I definitely am not) I would say something like "I am just about ready to wring someone's neck!" I am approaching the end of the 28 days and the pebble exposure is still less than ideal. But then again, my I can barely type and lifting my arms is painful, particularly my right one after another daily routine of 4 hours + of rigorous brushing! The reason I am making to effort tonight again is because I realize there is very little recourse from the manufacturer if your plaster company is not a "factory trained & authorized" installer. Even if they are there is too much if a chance that your PB or mine won't do anything to make it better as this would involve additional cost on their part--probably the incentive for them not to do it the manufacturer's recommended way the first time around. The product (no matter how good it is itself) is going to suffer from this type of exposure technique IMHO. I was totally caught off-guard on this one thinking I had asked and gotten the answer I needed that it was going to be "acid-washed". I would have never agreed to this alternative procedure due to my age and health condition it has been a real pain in the neck . . . and every other body part --literally!!! I addressed this disappointment with the plaster applicator at about the 2 week mark and was told they might be able to do something about it in the Spring (he would check with his boss). So far, no update on that. I am not holding my breath-- neither am I waiting for anyone to take any action to improve the situation and have just continued to do what I have figured out results in some improvement. Again, E-mail me if you wish to compare notes. I try to do my homework ahead of time and I hate being blind-sided. I feel mislead about the process by the PB and will be letting them know that again I expect on day 29!. The day of the plastering I was told by the sub that he wasn't going to do the full exposure with acid because it would streak the darker blue colored plaster. I don't know if there is any credence to this, but there are no caveats in the manufacturer's instructions. I did notice a change in the color of the plaster anyway as it is curing it is getting darker and often appears grayer. This is not so much of an issue for me but the inability to even get in the sub 60 degree water and trying to get to the bare or under-exposed spots in virtually unreachable locations is killing me (almost literally)!!!...See More- 10 years ago
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