AlachuaArtist Posted July 23, 2020 Report Share Posted July 23, 2020 I'm new to slab rolling, and have recently bought a used Bailey slab roller. The canvas has moldy spots on it. Is there a way to clean that, or should I just buy new canvas & replace the moldy one? Thanks for your help. Link to comment Share on other sites More sharing options...
neilestrick Posted July 23, 2020 Report Share Posted July 23, 2020 Make a bleach solution and wipe it down with a wet sponge and let it dry. The mold may leave stains, but it'll kill it. Link to comment Share on other sites More sharing options...
liambesaw Posted July 23, 2020 Report Share Posted July 23, 2020 Hydrogen peroxide works too, with no smell and no residue Link to comment Share on other sites More sharing options...
AlachuaArtist Posted July 23, 2020 Author Report Share Posted July 23, 2020 1 minute ago, liambesaw said: Hydrogen peroxide works too, with no smell and no residue Perfect! I like this idea better than the bleach. Thanks! Link to comment Share on other sites More sharing options...
LeeU Posted July 27, 2020 Report Share Posted July 27, 2020 I found nothing in my search of topic so I'll ask my question here, since it is about mold. I have never had any mold in or on anything in my studio. I have a new clay I've not used before and new drywall boards I'm using to dry my herb markers. I have never had mold develop on drywall, which I've used for years with all types of clay. I am not worried about the mold--it isn't gonna hurt anything--I am just curious--is it likely coming from the moist clay or is there something about drywall that could promote it? There are no changes to the studio environment (& I run AC & a dehumidifier when needed). Here's a pic, but it's gotten worse since then. The stakes are drying under smooth tiles to provide some weight. Plastic alone is not sufficient to keep the tips flat. The clay is fairly soft--it's a W1A cone 6 Sheffield white stoneware w/molochite grog -could the molochite be provoking the mold? If this should be posted elsewhere-feel free to move it! Link to comment Share on other sites More sharing options...
Mark C. Posted July 27, 2020 Report Share Posted July 27, 2020 Whatever you do do not wash the canvas as it ruined it. It gets funky and will not be as flat again. I saw this happen about 35 years ago to another potter.I think baking soda in warm water will also kill it. Link to comment Share on other sites More sharing options...
Bill Kielb Posted July 27, 2020 Report Share Posted July 27, 2020 3 hours ago, LeeU said: could the molochite be provoking the mold I suppose it could be a decent food for a specific mold spore. Usually mold spores are present everywhere and simply wait for the correct conditions to begin growing. Humidity is key and the drywall is a great source of food. My guess would be this drywall for whatever reason is the perfect moisture for this mold to grow. Likely higher in moisture for a longer period of time than you have previously experienced. Is the clay simply more moist than you are accustomed to, seams likely in this case. Mold spores exist everywhere through the world, in every house on the planet and simply wait patiently for the right conditions to grow. Generally that means moisture. Link to comment Share on other sites More sharing options...
LeeU Posted July 28, 2020 Report Share Posted July 28, 2020 Thanks Bill--the clay is more moist than any I've ever used and I found out today-by going back to where I got the drywall (several 4/4 pieces, at a discounted price) that the whole stack of partials had been sitting outside for a couple of weeks and were just brought inside recently. The humidity out there is pushing 85%. I think I can call it 'mystery solved'. Link to comment Share on other sites More sharing options...
Mark C. Posted July 28, 2020 Report Share Posted July 28, 2020 85% and no rain?? wow-I do not miss that climate.I bet its hot as well? Sheet rock will pick all that up fast. Link to comment Share on other sites More sharing options...
LeeU Posted July 28, 2020 Report Share Posted July 28, 2020 Rained lightly for all of 15 minutes this morning. We're in a drought. NH climate is no nowhere near as horrible as Virginia was (lived there for 30 years). I love-love-love the snow & cold weather & it's a long season, so it suits me fine here-we skip spring (maybe have 2-3 weeks of it, after Mud Season has run its course) and have a short but blazing summer, then by Sept. your plants could freeze overnight (OK exaggerating just a bit). Link to comment Share on other sites More sharing options...
Sorcery Posted July 30, 2020 Report Share Posted July 30, 2020 On 7/27/2020 at 8:59 PM, LeeU said: mystery solved Number 2.... The drywall may be the cause of those peices breaking. I found it to dry stuff way too fast. Also, of you are sandwhiching them to keep em flat, and that pins the ends, or anywhere, which it will, they won't be able to shrink. I use half inch Hardie backer, it is just slow enough. And mold free. Sorce Link to comment Share on other sites More sharing options...
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