KILN OPENING - New Combinations - Amaco & Mayco - PLEASE HELP ME get my Cone 6 without Pinholes!
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- čas přidán 21. 08. 2024
- Heyo Friends,
Today's video is a KILN OPENING!
As mentioned in my vid, if you have any suggestions on how I can achieve a cone 6 WITHOUT getting pinholes, send them my way! I would truly appreciate your suggestions! 😘
I tried some new combos in this load. I like to throw a few new ones in every load to keep it interesting for both YOU and me.😊
Let me know which ones are your favourites❣️
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Thanks for watching this kiln opening!
Happy Creating!
Audrey ✌️
@AMACOBrent @MaycoColors
Hi Audrey, I'm going to attempt to help with what has worked for me because, like you, I prefer a cone 6 for most of my glazes for the very reasons you listed. Teagan's suggestion was right on the nose. I bisque slow to an 04. I've never tried a hold on a bisque, but that's a good idea, too. I always slow fire the bisque. It could also be your clay. For me, darker clays with grog always give me issues with pinholes. When I cone 6 fire on medium with a 15 minute hold on bmix, is when I'm most successful. The Abalone needs that cone 6 to show color. I do 2 thick coats, and it's soft and pink. I hope my suggestions help, and I'm always open to suggestions, too. It's a crazy what we do. All the time spent making, and then handing it over to the kiln, wishing for the best. Great kiln opening, though!
Thank you so much, Tiffani! I do bisque to a slow cone 04, but I think I will try a hold on that. Thank you for sharing what works for you. I think I will try something like that first. Also, it sounds like you are right when you say Abalone needs a cone 6. I recently had the same problem with the new Speedball glazes. Then I watched a tutorial and found out that those SB glazes very much need cone 6. So, yes, I will try your suggestion. I am so very appreciative. Thank you!✌️
Great kiln opening. I absolutely love all of the white pieces. The rock trinket trays are such a fun idea! I would call them something like that. As many have said pinholes are caused by the bisque not getting hot enough. But if your kiln isn’t getting to cone 6 I would definitely call the kiln manufacturer and go through what it could be. I know you will really love the colors and runs when you’re able to get a cone 6. I much prefer a hot cone 6 myself.
Thanks for your suggestions! I bisque to o4. I have been avoiding a straight cone 6 because I am afraid of getting pinholes, but I am at the point now that I am just going to do it and us the hold. Thanks so much!✌️
@@AudreyLynnStudios I see. I would ask the clay companies that you’re having pinholes with their clay what they would recommend? Best of luck to you.
@@micheledickey4066 That is a good idea! Thanks again!
Hi Audrey, Pinholes can be because your clay is still off gassing. Trying olding your bisque fire at the top temp for 10 mins or maybe even go a cone higher for your bisque, not sure what cone you are going to for Bisque but if you can get rid of your gases out of the clay in the first firing it should help with the glaze firing. Hope that helps. Also with the abalone, you need like three REALLY good coats, I generally put on four to get the pinkish tones and I also fire to a cone 6 ten min hold
Hi, thanks for your suggestions! I bisque fire to 04. I guess I could trya hold on that. 🤔 Do you?
My Abalone is three coats, so I will try 4 and fire at cone 6 and see. Thanks so much!✌️
@@AudreyLynnStudios I bisque at cone 06 (1000degC. 1832degF) I dont hold on my bisque but I do glaze fire to cone 6 with a 10 min hold, This generally allows for any gases to escape and the glaze to be runny enough to seal back over once the bubble has popped so to speak.
I have previously fired to cone 5 but I don't like the look of many glazes at that temp (Mostly mayco) I can tell they are slightly underfired. I haven't had a problem with pin holes at either temp though but again I have very different clay bodies (I'm Australian)
@@AudreyLynnStudios I also for to cone 06 and fire normal cooling at cone 5 with 13-15 m hold depending on what my reactions I am going for. Both are medium firings. I use a skutt kiln.
@tegannottelling Hi Tegan in Australia! That is a country I would like to visit someday! Yes, agreed, I like the results of a cone 6 on most things. Is there a benefit to bisque firing at cone o6? I was always told o4 gets rid of more off-gassing? Hmmm?🤔
I will try to find an article.
Thank you so much for sharing! That is very helpful!
Hello. I'm a Newby at firing. All of the suggestions are very helpful for pinholing, thank you.
Your kiln opening was very inspirational. You're work is Beautiful!
Thank you for the work you put into sharing online. ❤
Thank you for your lovely comment! We have a great pottery community on CZcams with many sharing people. I think it's very special! Happy Creating! ✌️
Hi Audrey, I've been pondering your pinhole problem. If you are like me, you tried bisquing at 04, and a hold at cone 5 or 6, with no luck on some glazes. I've noticed Jessica Putnam Phillips only goes to a cone 5 with a hold, and never seems to get pinholes. I think part of her success is her extra thick walls on her kiln, which allows for a natural slower cool. I am wondering if you did the Hoffman schedule to cone 6, with a faster drop on Ramp 6, and no hold at 1900. Maybe something like, Ramp 6, 200 or 250 degrees to 1700, no hold then a natural cool. While it could be your clay off gassing, I also think a quick drop in temp on a glaze load, can lead to pinholes as well. Especially if your kiln is in a cooler area. Just my thoughts. Might be worth a try. Oh and lovely unload :)
Well, first of all, THANK YOU for taking the time to ponder. What you are saying makes sense, and so I will give it a try. I really appreciate your feedback, Lisa. You are my Canadian Pottery Buddy, and I truly value your input. Let you know how it goes. Have a great day! ✌️
Oh I just posted on your latest video about pink runs then went to look at more of your videos. I had the same problems with pinholes and use the same glaze. The local college tutor gave me a kiln program that solved the problem for me.
60C - 120C no hold
120C - 1000C 10 min hold
150C - 1220C 5 min hold or no hold depending on how hot kiln gets- we have 2 kilns and one runs hotter than the other. Both got rid of pinholes
Cheers
Lynne New Zealand
Oh! Thanks so much for sharing. I may have to try that! Cheers back
Hi Audrey, may I recommend messaging Camille Hoffman. I once needed help and sent her a message, and she was very nice to chat with me at length on how to fix my issues. Good luck! And keep the kiln openings coming 👏🏻👏🏻👏🏻👏🏻❤
Yes, I have had chats with Camille, and you are so right, she is very helpful! I love her slow cool program for celadon pieces and for groggy clays. It works like a charm! However, the other glazes I am looking for a cone 6. She did say to me to augment the 5th section, and it's true, I may not have augmented enough, but the slow cool part seems to dull the other glazes. I have had some other suggestions from other potters, and I will give them a shot. I may bother Camille again. Thanks so very much for your suggestions. I truly appreciate them. I am happy to hear that you enjoy my kiln openings. Take care! ✌️
Great kiln unloading Audrey! I love your glaze combos! I agree with you, if you’re looking for more drips I would raise your peak temperature. I do a slow cool with the peak temperature at 2185 degrees. My schedule is posted under my community tab if you’d like to compare with yours.
I also bisque fire to slow cone 04.👍🏻😍
Thank you for that, Ana! I will have a look. 😊
Great kiln opening Audrey! I loved the extruded vases and l liked the river birch fix. I hand build everything but am trying to make more vases similar to yours. They are beautiful. Thanks for your postings!
You are very welcome! For sure, you can handbuild tubes and do the same treatment. Have fun! ✌️
Pinholing is from the bisque cycle and the ware doesn’t get a chance to finish off gassing. My bisque’s often take almost the same amount of time as a glaze firing, including an overnight 2% candling. I never ever have pinholes or blemishes of any sort. I also aim for a 6/7 with witness cones. If the clay you use doesn’t bloat push it higher and longer times between ramp ups. Good luck.
Well, that's interesting. I bisque to o4, slow with a 3hour preheat. Maybe I should incorporate a hold, too. Thanks for sharing.
Hey Audrey. Great kiln! My fav purple is Amaco hf lilac mixed 50/50 hf white gorgeous lavender colour u would have seen on my unloads. The obsidian Albany mug gives blue because obsidian is actually a reeeeeally dark blue not black. Try just obsidian with light flux u will thank me lol. Looove the pink mug I always thought snapdragon was red but looks pink on this mug would have bet it was weeping plum?. Oh looove the textured turquoise mug that’s my fav! Nat xx
OKAY! WELL, that EXPLAINS the blue Obsidian! Hahaha! Thanks for the purple suggestion. I HAVE seen it on your vids but I had forgotten about it. I went to the 'CANDY' store yesterday and bought Purple Crystal, but of course, it is matte. Thank you for your very kind comments, Nat! ✌️
@@AudreyLynnStudiosoh purple crystal is a bit finicky! Best result I have had is to layer it over obsidian but it’s still matte xx
@@mudmagic407 OK! Good to know! Thanks for that!
What a beautiful kiln unload 🤩 I absolutely loved the cup with the band of obsidian 🤩🤩🤩 but everything was so pretty x
Thanks, Laney! Like I said, I am always amazed that the band of Obsidian with the Albany Slip Brown comes out that beautiful, dramatic blue! You will have to give it a try!✌️
Thanks for the video, new potters learn a lot from them. I also use Plainsman and am attaching a link to their Digital Fire page where Tony talks about pinholes. It's lengthy with lots of info but I managed to glean some lessons from it and it seems to me that he addresses the pinhole problem you are having. I know he gets scientific sometimes but I hope you can find some ideas that you can add to the great suggestions others are offering. My kiln is called Penny short for Pen y Ddraig which is Welsh for Head of the Dragon :) Good luck, I hope you get the results you want.
Cute kiln name! Love it! OK! That's good idea. I will go to that page and have a look! Thanks for sharing the info. ✌️
I'm sorry, the link didn't attach. @@AudreyLynnStudios
@@auroraskies8827 It's no problem. I will find it. Thank you!
Also, would love to see a video on using the film resist. Love the effect.
That video is totally on my list! I will try to make it happen as soon as I can. I LOVE film resist. I basically do not use wax anymore. Film resist is just so much more forgiving! Thanks for asking. Happy Creating!✌️
A couple of comments. You showed a pot at timestamp ~8:06 where you pointed out a "pinhole". It's hard to tell from the video, but that looked like a contaminant in your clay rather than what I think of as a traditional pinhole. In any case, I've found a few strategies to deal with pinholes. I bisque to 05-04 but you're already doing that! I don't use commercial glazes but I would imagine that the issues are similar with any glaze - where there are several layers of glaze I think its hard for bubbles to escape during firing and for the glaze to reheal itself completely before hardening. So I try not to build up too much glaze on the surface. Some glaze combinations are going to pinhole a lot as they don't "like" each other or essentially their melting conditions are quite different. I have a couple of glazes that I have learned to never overlap as they will pinhole extensively no matter what I do!
I also "finger sand" the dried glaze on the pot so that any small imperfections are smoothed over and filled in with glaze. For larger bumps I will use the metal edge of a tool to smooth things out, but you have to be really careful that you don't scrape off too much glaze.
Lastly, the firing... I will hold the kiln at its top temperature for about 10 minutes until the cones are down or going down - this is really just to even out the temperature throughout the kiln. Then I let the temperature drop to 1148C and hold there for 30 minutes (for a cone 6 firing). This last hold is part of Tony Hansen's (Digital Fire) "Cone 6 drop and soak" firing schedule and it is this soak that has really made a difference in my firings in preventing/sealing pinholes. It may be that the last hold temperature in the C. Hoffman schedule is too low to maintain enough fluidity in your glaze combinations to heal any pinholes??? I think its 1038C, at least the version that Lisa (@finklepottery704) has listed. Then, I only fire down (slow cool) from 1148C to 760C if I have a lot of matte glazes where I want crystal formation, otherwise I shut the kiln off after the 30 minute hold and let it cool with all the peepholes closed.
WOW! Thank you for putting so much work into your comment! I truly appreciate you sharing your knowledge. What you say makes sense, so I will try your suggestion. The kiln opening I just uploaded is just a cone 6 with a 10 minute hold. It went very hot but I think most things turned out. Thanks again for helping me out!
I do a cone six with a fifteen minute hold
Thanks so much! I think I am going to try something like that first. ✌️
11:29 is beautiful 😍
My Watermelon mug! 🍉 I loved how it turned out, too! Thanks so much! ✌️
I think you are hard on yourself because you have some beautiful pieces. I have to wonder if your kiln is under firing a tad because one would think cone five with 30 minute hold would have given you a cone six heat work wise. My point is, maybe fire cone six and increase hold time a little more since your kiln is under firing slightly ? I feel your pain. I use a slow bisq to cone 05 with a 30 minute hold at 1000 degree.
My fave is the lavender mist with birch and cordovan. Also, Coyote has a bold purple, but I cannot remember the name. Best of luck, you are never alone with kiln woes.
I think you may be right. I think it is underfiring. I will have to look into that. I will do my next firing at cone 6 and a hold and will have a look at the witness cones. Thanks for your very kind comments!
Not sure for you but for me glaze fire to cone 5 with 10-15 min hold and don’t have any trouble with pinholing. For bloating g I think slow bisque cone 04 helps
Thank you for sharing your process. I do bisque to a slow 04, but I think I may try a hold on it. The cone 5 with 15-minute hold does not seem to work for what I want. Thank you so much for your suggestions. I truly appreciate your time!✌️
Love these videos!!! I have a suggestion… it’s not like you have anything else to do!!! ( sarcasm!) but I’d love to see some pieces using music themes … notes… #, Flats etc . That you so familiar with.. I always look for these while shopping… also you mentioned Burkina Faso charity that you are involved with… could you put a link to the website for those that may be interested in finding out more about it? Thanks!!!
Hahahaha! Hello, Daniel! Music themed it is! The link is a good idea. Thanks for sharing! ✌️
I do a slow cone 04 bisque fire and that seems to have solved my pinhole issues.
I also do a slow cone 04 bisque fire. Somebody had suggested a hold, too. I am going to try it! Thanks for your help!✌️
Have you tried Flux under your glazes to make them run?
Sometimes I do, yes. I think it helps to get a drippier look especially at cone 5. Thanks for the suggestion. I think my next firing will be a cone 6 with a wee hold. ✌️
With what do you write your name at the bottom. Glaze pencil?
I use thinned underglaze in a piped with a fine needle bottle.
amzn.to/3Ioupnf
I used yo carve my name in the bottom when the pieces were bone dry, but sometimes I would have grind the base of the pieces and I ended us grinding part of my name off. So, now, I sign my bisqueware. Thanks for asking. ✌️