After creating an account and logging in you can recharge it by clicking (on the upper left).
Individual Account Pricing
182 days: $14.56 US
365 days: $21.90 US
720 days: $36.00 US
Terms: Immediate payment via PayPal.
Refunds: Subscription periods are final, no refunds.
Group Account Pricing
182 days: $99 US
365 days: $178.85 US
730 days: $321.20 US
Terms: You supply a purchase order to create an invoice. We expect payment in 30 days.
Features subject to in-app pricing: GHS Data Sheet generation
Currency: USD.
• WOW, WOW, WHAT GREAT INFO! thankyou! I am going to pass your site on to someone i know who is more keen on the science of glazes, than the potting, unlike me... she will love your test works and pics Wow! Thanks again.
• A big thank you for sharing your vast knowledge through this site. I have spent many an hour scouring your articles and learning. Your depth of understanding of so many different aspects of ceramics often exceeds what is available in many books.
• I teach glaze technology at ... the information that you display on your this website is absolutely fundamental for my teaching.
• I am a long time admirer of your ceramics data base and teach at ... University.
• Thanks for the great application. I have removed GB from many of my recipes and I love learning so much about my glazes instead of just "going wonder how that glaze works". Your resource is invaluable. I will be a lifetime member.