WHO AND HOW THEY ACID WASH YOUR SWIMMING POOL WILL GREATLY AFFECT THE LIFE OF YOUR POOLS PLASTER, NOT TO MENTION THE LOOK AND FEEL. OUR ACID WASHING PROCESS IS SAFE AND HIGHLY EFFECTIVE AT REMOVING ALL MINERAL STAINS AND SCALE BUILDUP FROM YOUR POOLS PLASTER OR PEBBLE-TEC SURFACES. PROTECT YOUR INVESTMENT AND ALWAYS HIRE AN EXPERIENCED PROFESSIONAL. WE ARE LICENSED AND INSURED. PRICES FOR AN ACID WASH TYPICALLY RANGE FROM $350.00 TO $650.00 FOR A POOL AND SPA.