>>> Virginia, is it algae that is fouling the water? Some folks swear by >>> barley straw >>> as a natural alternative to chemicals:
We don't use any chemicals for algae, etc., nor have we ever used anything like straw. >From all that we've read, the more that humans interfere with the natural >cycles, the longer and stronger the cycles will persist. It seems to be true - be that with aquariums, goldfish ponds, or bigger fishing ponds. You have to be prepared to grin-and-bear some seasonal cycling though. Karen Thomas, NC