The Guide to Trouble-Free Pool Maintenance.

2nd Edition Over 80,000 Copies Sold!

What Color Is Your Swimming Pool?

The Guide to Trouble-Free Pool Maintenance

John O'Keefe.

The mission of Storey Publishing is to serve our customers by publishing practical information that encourages personal independence in harmony with the environment.

Edited by Elizabeth McHale

Cover design by Meredith Maker

Cover illustration by Andrea Gray

Text design and production by Mark Tomasi, Jennifer Jepson, and Erin Lincourt Photographs by National Spa and Pool Institute (NSPI); Baker Hydro, Inc.; Sta-Rite Industries, Inc.;

Sealed Air Corp.; Loop-Loc, Ltd.; Kreepy Krauly USA; Chemtrol Division of Santa Barbara Control

Systems Line drawings by Wanda Harper; Chrysalis Design Group Indexed by Susan Olason, Indexes & Knowledge Maps

Copyright © 1998 by Storey Publishing, LLC.

All rights reserved. No part of this book may be reproduced without written permission from the publisher, except by a reviewer who may quote brief passages or reproduce illustrations in a review with appropriate credits; nor may any part of this book be reproduced, stored in a retrieval system, or transmitted in any form or by any means-electronic, mechanical, photocopying, recording, or other - without written permission from the publisher.

The information in this book is true and complete to the best of our knowledge. All recommendations are made without guarantee on the part of the author or Storey Publishing. The author and publisher disclaim any liability in connection with the use of this information. For additional information please contact Storey Books, 210 MASS MoCA Way, North Adams, MA 01247.

Storey Books are available for special premium and promotional uses and for customized editions. For

further information, please call the Custom Publishing Department at 1-800-793-9396.

Printed in the United States by Vicks Lithograph 10 9 8 7 6

Library of Congress Cataloging-in-Publication Data

O'Keefe, John M., 1935-

What color is your swimming pool?: the guide to trouble-free pool maintenance/John M. O'Keefe. -2nd ed.

P. Includes index.

cm.

ISBN 0-58017-036-6 (pbk.: alk. paper)

1. Swimming pools--Maintenance and repair. 1. Title. TH4763.039 1998

690 8962'0288-dc20

97-51750 CIP