Houston rapper Tow Down was doing it really big until a snitch helped poilce bring him down.

Tow Down, real name Bryan Theriot and his brother/manager Bernard were arrested yesterday (October 1), by police at Bernard's Missouri City crib.

The raid yielded 850 Hydro plants, weighing 5000 pounds, worth an estimated $4.2 million dollars.

"Water pumps, timers, artificial lighting equipment. The entire second story of the house had been professionally constructed by plumbers and electricians," said Fort Bend County Narcotics Task Force Capt. Rodney Glendening.

Cops were alerted to the brother's weed growing operation by dealers they busted several months earlier.

"We started at the street level and worked our way up," Glendening said. "We consider this a professional grow. This is a 5,000-square-foot home. There were six rooms full of marijuana."

In addition to the high grade pot, po po's also found cocaine and hydrocodone.

Tow Down is probably best known for his song "Country Rap Tune", recorded with late rapper H.A.W.K.

This is the second time the rapper has been busted for growing weed. In 2008, the brothers were arrested for a much smaller growing operation.

They were out on bond at the time of this latest arrest.