The longevity of inkjet ink on photo paper can vary significantly based on several factors, including the quality of the ink, the type of paper used, and the conditions under which the photo is stored. Generally, standard inkjet inks on quality photo paper can last anywhere from 5 to 25 years without noticeable fading if kept in optimal conditions—away from direct sunlight, in stable temperatures, and under appropriate humidity levels. Archival-quality inks and photo papers are designed specifically for longevity and can last 100 years or more under ideal conditions. Additionally, protecting photos with UV-resistant glass can further extend their lifespan. It's also crucial to use inks and papers that are compatible and designed for long-term storage to ensure the best longevity of your printed photos.

In Auckland, a variety of pigments for various purposes can be purchased at art supply stores, specialty pigment suppliers, or online. For artists, Gordon Harris and Takapuna Art Supplies are reputable stores offering a wide selection of pigments suitable for painting and other art projects. Another option is the French Art Shop, known for its high-quality supplies. For more specialized needs, such as automotive or industrial pigments, suppliers like Resene ColorShop or automotive paint suppliers offer products tailored to those requirements. Additionally, online platforms like Trade Me or specialized pigment websites provide access to a broader range of options, often at competitive prices. Remember to consider the specific application of the pigments you need, as this will influence your choice of supplier.

Polymer water beads, often used in gardening, crafts, and as toys, are typically made from a superabsorbent polymer called sodium polyacrylate. This substance can absorb and retain large quantities of water, expanding significantly in size. Generally, they are non-toxic if ingested in small amounts, making them safe for use around children and pets. However, if ingested in large quantities, they can pose a choking hazard or lead to intestinal blockages. Ingesting water beads can be especially dangerous for pets or small children due to their size and the potential for obstruction. It's important to follow all safety guidelines provided by the manufacturer and to supervise children when they are playing with water beads. Additionally, disposing of the beads properly is crucial to prevent any accidental ingestion by wildlife.