Correct me if I’m wrong, but I gather that Old Hukaiwen ink is commonly manufactured and sold by the old Chinese tael (两 liang), about 31 g. While I’m aware that this measure is not always very accurate, I think it would be easier to compare prices if the shop listed the manufacturer size or, for instance, gave the product weight as 30, 60, 120 instead of S, M, L or something of the like. Just a thought…
Yes, 一两，二两 is the standard way for inkstick weight. This should be 30g, 60g. On our website, we just listed it as S, M, L so that it could be easier for people to know the size easier. S is 30g, 一两; M 60g, 二两.
As for the weight you have mentioned, it does not always accurately match the 30g, 60g, etc. This is because the fresh ink weighs more than ‘older’ inks due to losing moisture contained in inkstick. This is getting so obvious when you look at Old Hu Kai Wen inksticks which are 20 years old and you will find the inkstick weighs so much lighter than freshly-made inkstick. 🙂
Yes, how to mark the weight clearly is very important. We have decided to edit our weight system on inkston.com for inksticks.
🙂 I hope this is helpful! And thanks a lot for pointing out this problem.