Texture can add a special flair to your decorative and functional pottery ware. At the same time the texture can create a challenge while keeping a piece clean and free from chips which can greatly mar the beauty. The more raised and depleted parts to the texture the more care need be taking when using and cleaning.
Keep your pottery out of direct sunlight which will fade hand painted pottery. Using a feather duster or lint free cloth, dust regularly to keep dust from building up in the nooks created by the texture so that washing is necessary less frequently.
You can wash your pottery by hand. Do not use a dishwasher as the soaps can damage the finish and items in the dishwasher can strike your lovely pottery leaving nicks, scratches and chips. Do not soak pottery without it has a hard, good quality finish. Unfinished feet and other parts may soak up cleaning solutions which can leach out onto carpet and other fabrics once put back into place.
It is very likely that your textured pottery is made from porous stoneware, which can be made to mildew in hot, humid conditions. To prevent growth of mildew, keep the piece in an airy location for a few days after rinsing clean and patting dry, before putting away into a cabinet.
For china, porcelain, and other pieces with all over finishes which can safely be submerged in water. Start by placing a pad into the bottom of the sink before filling with warm water to which a small amount of gentle dishwashing detergent has been added. Gently place your pottery piece into the sink and clean only one piece at a time.
Sponging carefully with a soft sponge soaked with warm water and a gentle washing detergent followed by a quick but thorough rinsing with hot water can clean most pieces. You can use a toothbrush or dish brush if necessary to remover dirt and dried food from small niches created by the textures. Acetate or citrus based cleaner can remove sticky residue from tags, but use sparingly. Full strength white vinegar is useful for removing mineral deposits from yard sale finds or pieces well used and long stored. Use bleach sparingly. A 50/50 solution can clean the discolored area around stress cracks but it may already affect the integrity of the pottery ware,
It may be necessary to give added attention to highly textured pottery to ensure it dries properly. Most pieces can be patted dry with a cloth and set in an airy location as described to prevent mildew. If there are many little nooks and crannies in your textured piece you may want to use a blow dryer to force moisture out of small niches, dry it quickly, and return it to a secure place for display.
If these tips do not solve your cleaning needs more specific problems can be addressed by antique pottery experts found through an internet search.