The term "aggregate" is often misunderstood in pool building. However, it is still pool plaster. Exposure pool plaster is the correct term. Up until the 1980s, the norm was white, very fine and smooth marble plaster. Exposed aggregate pool finishes, which include colorful sands & pebbles, were introduced to pool industry in 1980s. Both types are still used today.
Costs average between $1 and $5 per square foot. Although there are sources for DIY-replacement liners, it’s a fairly complicated job that most pool owners relegate to a pro.
Shipping costs may increase if you live far away.
stonescapes pool finish