tanks and waterers heavy-duty galvanized stock tanks tarter deep sidewall corrugation for strength heavy-duty zinc g90 coating withstands harsh weather conditions 1" tube inside rim of tank for additional strength most feature a 1" drain plug unmatched quality and consistency in construction wtr32 tarter round galvanized stock tanks size item # wtr32 wtr42 wtr62 wtr82 oval galvanized stock tanks size item # size item # "drain plug not available tarter tarter farm & ranch product guide