We recently bought a home that has an attached pond to the back of the house. We spent a solid week dredging the pond as it was literally BLACK with sludge and organic matter. If there had ever been fish they were long gone. There was one water lily on top which was huge and had never been trimmed back. Not knowing better, we tossed it in favor of starting from scratch. We eventually got down to the bottom of the pond (it is circular, concrete on bottom, but the front and sides are natural coral) and finished cleaning it with a wet/dry vac. Then we pressure washed it and refilled it with water from the hose. It was gorgeous and clean. We put the Ammonia/Dechlorinator liquid in and then let the water set for about a week. We had gotten some of this Beckett Bio Barley product that is supposed to be "all you need" for a new pond. It comes in a biodegradable bag and you put in the amount you need for your pond's size. I got online to see if there was a formula to figure out how much water your pond would hold. Turns out there was! Our pond was 77” across by 58” from the front to the back and 26” from the floor of it to about 4 inches from the top. Using the formula I found (Maximum length x Maximum width x 0.8 (unless your pond is completely square, if so use the whole number) x Average depth x 7.48 = Total gallons) I figured our pond held about 500 gallons. Did I do this correctly? Because after adding the Bio barley product we now have this brown fuzzy looking layer about a half inch or so thick across the bottom of the pond and the water is hazy. We have no fish yet or nothing planted so I can start over if I need to. Help, please.